Thomas Sevenius Nilsen

Leif Edvard Aarø, Marit Knapstad, Thomas Sevenius Nilsen, Jens Christoffer Skogen, Ragnhild Bang Nes, Tony Mathias Leino, Ingunn Agnete Riise, Rune Johansen, Liv Grøtvedt, Øystein Vedaa, Ole Trygve Stigen, Anne Reneflot, Hanne Løvdal Gulseth, Knut Inge Klepp, (2024). The Norwegian Counties Public Health Survey (NCPHS): a design study. Scandinavian Journal of Public Health doi: 10.1177/14034948241287853

Thomas Hansen, Ragnhild Bang Nes, Kamila Angelika Hynek, Thomas Sevenius Nilsen, Anne Reneflot, Kim Stene-Larsen, Ragnhild Agathe Tornes, Maria Julia Bidonde Torre, (2024). Tackling social disconnection: an umbrella review of RCT-based interventions targeting social isolation and loneliness. BMC Public Health doi: 10.1186/s12889-024-19396-8

Leif Edvard Aarø, Eyvind Ohm, Jens Christoffer Skogen, Thomas Sevenius Nilsen, Marit Knapstad, Øystein Vedaa, Ragnhild Bang Nes, Benjamin Matthew Clarsen, Knut Inge Klepp, (2023). A cross-sectional study of the relationship between injuries and quality of life, psychological distress, sleeping problems, and global subjective health in adults from three Norwegian counties. Health and Quality of Life Outcomes s. 1-10. doi: 10.1186/s12955-023-02191-1

Grace Katharine Forster, Leif Edvard Aarø, Maria Nordheim Alme, Thomas Hansen, Thomas Sevenius Nilsen, Øystein Vedaa, (2023). Built Environment Accessibility and Disability as Predictors of Well-Being among Older Adults: A Norwegian Cross-Sectional Study. International Journal of Environmental Research and Public Health (IJERPH) s. 1-15. doi: 10.3390/ijerph20105898

Leif Edvard Aarø, Tony Mathias Leino, Øystein Vedaa, Marit Knapstad, Jens Christoffer Skogen, Thomas Sevenius Nilsen, Mats Svalebjørg, Knut Inge Klepp, (2023). Behavioural precautions to avoid transmission of the COVID-19 virus – low educated groups are not always lagging behind. Journal of Health Inequalities s. 16-28. doi: 10.5114/jhi.2022.123437

Karri Silventoinen, Maarit Piirtola, Aline Jelenkovic, Reijo Sund, Adam D. Tarnoki, David L. Tarnoki, Emanuela Medda, Lorenza Nisticò, Virgilia Toccaceli, Chika Honda, Fujio Inui, Rie Tomizawa, Mikio Watanabe, Norio Sakai, Margaret Gatz, David A. Butler, Jooyeon Lee, Soo Ji Lee, Joohon Sung, Carol E. Franz, William S. Kremen, Michael J. Lyons, Catherine A. Derom, Robert F. Vlietinck, Ruth J. F. Loos, Per Tynelius, Finn Rasmussen, Nicholas G. Martin, Sarah E. Medland, Grant W. Montgomery, Ingunn Brandt, Thomas Sevenius Nilsen, Jennifer Ruth Harris, Jessica Tyler, John L. Hopper, Patrik K. E. Magnusson, Nancy L. Pedersen, Anna K. Dahl Aslan, Juan R. Ordoñana, Juan F. Sánchez-Romera, Lucia Colodro-Conde, Esther Rebato, Dongfeng Zhang, Zengchang Pang, Qihua Tan, Judy L. Silberg, Hermine H. Maes, Dorret I. Boomsma, Thorkild I. A. Sørensen, Tellervo Korhonen, Jaakko Kaprio, (2022). Smoking remains associated with education after controlling for social background and genetic factors in a study of 18 twin cohorts. Scientific Reports doi: 10.1038/s41598-022-17536-x

Thomas Sevenius Nilsen, Hanne Løvdal Gulseth, Anita Odveig Daae, Thor Indseth, (2022). Koronavaksinering i utlandet blant utenlandsfødte. Tidsskrift for Den norske legeforening (Tidsskriftet) s. 868-870. doi: 10.4045/tidsskr.22.0052

Ragnhild Bang Nes, Baeksan Yu, Thomas Hansen, Øystein Vedaa, Espen Røysamb, Thomas Sevenius Nilsen, (2022). Flattening the quality of life curve? A prospective person-centred study from Norway amid COVID-19. Quality of Life Research s. 2295-2305. doi: 10.1007/s11136-022-03113-2

Thomas Hansen, Thomas Sevenius Nilsen, Marit Knapstad, Vegard Fykse Skirbekk, Jens Christoffer Skogen, Øystein Vedaa, Ragnhild Bang Nes, (2021). Covid-fatigued? A longitudinal study of Norwegian older adults’ psychosocial well-being before and during early and later stages of the COVID-19 pandemic. European Journal of Ageing s. 1-11. doi: 10.1007/s10433-021-00648-0

Benjamin Matthew Clarsen, Jens Christoffer Skogen, Thomas Sevenius Nilsen, Leif Edvard Aarø, (2021). Revisiting the continuum of resistance model in the digital age: a comparison of early and delayed respondents to the Norwegian counties public health survey. BMC Public Health doi: 10.1186/s12889-021-10764-2

Thomas Hansen, Thomas Sevenius Nilsen, Baeksan Yu, Marit Knapstad, Jens Christoffer Skogen, Øystein Vedaa, Ragnhild Bang Nes, (2021). Locked and lonely? A longitudinal assessment of loneliness before and during the COVID-19 pandemic in Norway. Scandinavian Journal of Public Health s. 766-773. doi: 10.1177/1403494821993711

Aline Jelenkovic, Reijo Sund, Yoshie Yokoyama, Antti Latvala, Masumi Sugawara, Jennifer Ruth Harris, Mami Tanaka, Satoko Matsumoto, Duarte L. Freitas, Jose Antonio Maia, Ariel Knafo-Noam, David Mankuta, Lior Abramson, Fuling Ji, Feng Ning, Zengchang Pang, Esther Rebato, Ingunn Brandt, Thomas Sevenius Nilsen, Kimberly J. Saudino, Tessa L. Cutler, John L. Hopper, Vilhelmina Ullemar, Catarina Almqvist, Patrik K. E. Magnusson, Wendy Cozen, Amie E. Hwang, Thomas M. Mack, Tracy L. Nelson, Keith E. Whitfeld, Joohon Sung, Jina Kim, Jooyeon Lee, Sooji Lee, Clare H. Llewellyn, Abigail Fisher, Emanuela Medda, Lorenza Nisticò, Virgilia Toccaceli, Laura A. Baker, Catherine Tuvblad, Robin P. Corley, Brooke M. Huibregtse, Catherine A. Derom, Robert F. Vlietinck, Ruth J. F. Loos, S. Alexandra Burt, Kelly L. Klump, Judy L. Silberg, Hermine H. Maes, (2020). Genetic and environmental influences on human height from infancy through adulthood at different levels of parental education. Scientific Reports doi: 10.1038/s41598-020-64883-8

Karri Silventoinen, Aline Jelenkovic, Reijo Sund, Antti Latvala, Chika Honda, Fujio Inui, Rie Tomizawa, Mikio Watanabe, Norio Sakai, Esther Rebato, Andreas Busjahn, Jessica Tyler, John L Hopper, Juan R. Ordoñana, Juan F. Sánchez-Romera, Lucia Colodro-Conde, Lucas Calais-Ferreira, Vinicius C. Oliveira, Paulo H. Ferreira, Emanuela Medda, Lorenza Nisticò, Virgilia Toccaceli, Catherine A. Derom, Robert F. Vlietinck, Ruth J. F. Loos, Sisira H. Siribaddana, Matthew Hotopf, Athula Sumathipala, Fruhling Rijsdijk, Glen E. Duncan, Dedra Buchwald, Per Tynelius, Finn Rasmussen, Qihua Tan, Dongfeng Zhang, Zengchang Pang, Patrik K E Magnusson, Nancy L. Pedersen, Anna K. Dahl Aslan, Amie E. Hwang, Thomas M. Mack, Robert F. Krueger, Matt McGue, Shandell Pahlen, Ingunn Brandt, Thomas Sevenius Nilsen, Jennifer Ruth Harris, Nicholas G. Martin, Sarah E. Medland, Grant W. Montgomery, (2020). Genetic and environmental variation in educational attainment: an individual-based analysis of 28 twin cohorts. Scientific Reports s. 1-11. doi: 10.1038/s41598-020-69526-6

Jens Christoffer Skogen, Marit Knapstad, Otto Robert Frans Smith, Grethe S. Tell, Rolv T. Lie, Thomas Sevenius Nilsen, Leif Edvard Aarø, (2019). Hvordan bør rekrutteringen til folkehelseundersøkelsene gjennomføres?. Tidsskrift for Den norske legeforening (Tidsskriftet) s. 1462-1467. doi: 10.4045/tidsskr.19.0054

Thomas Sevenius Nilsen, Ingunn Brandt, Jennifer Ruth Harris, (2019). The Norwegian Twin Registry. Twin Research and Human Genetics doi: 10.1017/thg.2019.59

K. Silventoinen, A. Jelenkovic, Y. Yokoyama, R. Sund, M. Sugawara, M. Tanaka, S. Matsumoto, L. H. Bogl, D. L. Freitas, J. A. Maia, J. v. B. Hjelmborg, S. Aaltonen, M. Piirtola, A. Latvala, L. Calais-Ferreira, V. C. Oliveira, P. H. Ferreira, F. Ji, F. Ning, Z. Pang, J. R. Ordoñana, J. F. Sánchez-Romera, L. Colodro-Conde, S. A. Burt, K. L. Klump, N. G. Martin, S. E. Medland, G. W. Montgomery, C. Kandler, T. A. McAdams, T. C. Eley, A. M. Gregory, K. J. Saudino, L. Dubois, M. Boivin, M. Brendgen, G. Dionne, F. Vitaro, A. D. Tarnoki, D. L. Tarnoki, A. Haworth, R. Plomin, S. Y. Öncel, F. Aliev, E. Medda, L. Nisticò, Ingunn Brandt, Thomas Sevenius Nilsen, Jennifer Ruth Harris, J. Kaprio, (2019). The CODATwins Project: The current status and recent findings of COllaborative Project of Development of Anthropometrical Measures in Twins. Twin Research and Human Genetics s. 800-808. doi: 10.1017/thg.2019.35

Axel Skytthe, Jennifer Ruth Harris, Kamila Czene, Lorelei Mucci, Hans Olov Adami, Kaare Christensen, Jacob Hjelmborg, Niels V. Holm, Thomas Sevenius Nilsen, Jaakko Kaprio, Eero Pukkala, (2019). Cancer Incidence and Mortality in 260,000 Nordic Twins With 30,000 Prospective Cancers. Twin Research and Human Genetics s. 99-107. doi: 10.1017/thg.2019.10

Karri Silventoinen, Aline Jelenkovic, Antti Latvala, Yoshie Yokoyama, Reijo Sund, Masumi Sugawara, Mami Tanaka, Satoko Matsumoto, Sari Aaltonen, Maarit Piirtola, Duarte L. Freitas, Jose A. Maia, Sevgi Y. Öncel, Fazil Aliev, Fuling Ji, Feng Ning, Zengchang Pang, Esther Rebato, Kimberly J. Saudino, Tessa L. Cutler, John L. Hopper, Vilhelmina Ullemar, Catarina Almqvist, Patrik K.E. Magnusson, Wendy Cozen, Amie E. Hwang, Thomas M. Mack, Gonneke Willemsen, Meike Bartels, Catharina E. M. van Beijsterveldt, Tracy L. Nelson, Keith E. Whitfield, Joohon Sung, Jina Kim, Jooyeon Lee, Sooji Lee, Clare H. Llewellyn, Abigail Fisher, Emanuela Medda, Lorenza Nisticò, Virgilia Toccaceli, Laura A. Baker, Catherine Tuvblad, Robin P. Corley, Brooke M. Huibregtse, Catherine A. Derom, Robert F. Vlietinck, Ruth J. F. Loos, Ariel Knafo-Noam, David Mankuta, Lior Abramson, S. Alexandra Burt, Kelly L. Klump, Judy L. Silberg, Hermine H. Maes, Robert F. Krueger, Matt McGue, Shandell Pahlen, Margaret Gatz, David A. Butler, Jennifer Ruth Harris, Thomas Sevenius Nilsen, K. Paige Harden, Elliot M. Tucker-Drob, Carol E. Franz, William S. Kremen, Michael J. Lyons, Paul Lichtenstein, Hoe-Uk Jeong, Yoon-Mi Hur, Dorret I. Boomsma, Thorkild I.A. Sørensen, Jaakko Kaprio, (2019). Parental education and genetics of BMI from infancy to old age: A pooled analysis of 29 twin cohorts. Obesity s. 855-865. doi: 10.1002/oby.22451

Maarit Piirtola, Aline Jelenkovic, Antti Latvala, Reijo Sund, Chika Honda, Fujio Inui, Mikio Watanabe, Rie Tomizawa, Yoshinori Iwatani, Juan R. Ordonaña, Juan F. Sánchez-Romera, Lucia Colodro-Conde, Adam D. Tarnoki, David L. Tarnoki, Nicholas G. Martin, Grant W. Montgomery, Sarah E. Medland, Finn Rasmussen, Per Tynelius, Qihua Tan, Dongfeng Zhang, Zengchang Pang, Esther Rebato, Maria A. Stazi, Corrado Fagnani, Sonia Brescianini, Andreas Busjahn, Jennifer Ruth Harris, Ingunn Brandt, Thomas Sevenius Nilsen, Tessa L. Cutler, John L. Hopper, Robin P. Corley, Brooke M. Huibregtse, Joohon Sung, Jina Kim, Jooyeon Lee, Sooji Lee, Margaret Gatz, David A. Butler, Carol E. Franz, William S. Kremen, Michael J. Lyons, Patrik K.E. Magnusson, Nancy L. Pedersen, Anna K. Dahl Aslan, Sevgi Y. Öncel, Fazil Aliev, Catherine A. Derom, Robert F. Vlietinck, Ruth J. F. Loos, Judy L. Silberg, Hermine H. Maes, Dorret I. Boomsma, Thorkild I.A. Sørensen, Tellervo Korhonen, Jaakko Kaprio, Karri Silventoinen, (2018). Association of current and former smoking with body mass index: A study of smoking discordant twin pairs from 21 twin cohorts. PLOS ONE doi: 10.1371/journal.pone.0200140

Karin Magnusson, Katrina J Scurrah, Ragnhild Ørstavik, Thomas Sevenius Nilsen, Ove Furnes, Kåre Birger Hagen, (2018). Is the association between obesity and hip osteoarthritis surgery explained by familial confounding?. Epidemiology s. 414-420. doi: 10.1097/EDE.0000000000000806

Yoshie Yokoyama, Aline Jelenkovic, Yoon-Mi Hur, Reijo Sund, Corrado Fagnani, Maria A. Stazi, Sonia Brescianini, Fuling Ji, Feng Ning, Zengchang Pang, Ariel Knafo-Noam, David Mankuta, Lior Abramson, Esther Rebato, John L. Hopper, Tessa L. Cutler, Kimberly J. Saudino, Tracy L. Nelson, Keith E. Whitfield, Robin P. Corley, Brooke M. Huibregtse, Catherine A. Derom, Robert F. Vlietinck, Ruth J.F. Loos, Clare H. Llewellyn, Abigail Fisher, Morten Bjerregaard-Andersen, Henning Beck-Nielsen, Morten Sodemann, Robert F. Krueger, Matt McGue, Shandell Pahlen, Meike Bartels, Catharina E.M. van Beijsterveldt, Gonneke Willemsen, Jennifer Ruth Harris, Ingunn Brandt, Thomas Sevenius Nilsen, Jeffrey M. Craig, Richard Saffery, Lise Dubois, Michel Boivin, Mara Brendgen, Ginette Dionne, Frank Vitaro, Claire M.A. Haworth, Robert Plomin, Gombojav Bayasgalan, Danshiitsoodol Narandalai, Finn Rasmussen, Per Tynelius, Adam D. Tarnoki, David L. Tarnoki, Syuichi Ooki, Richard J. Rose, Kirsi H. Pietiläinen, Thorkild I.A. Sørensen, Dorret I. Boomsma, Jaakko Kaprio, Karri Silventoinen, (2018). Genetic and environmental factors affecting birth size variation: a pooled individual-based analysis of secular trends and global geographical differences using 26 twin cohorts. International Journal of Epidemiology s. 1195-1206. doi: 10.1093/ije/dyy081

Aline Jelenkovic, Janne Mikkonen, Pekka Martikainen, Antti Latvala, Yoshie Yokoyama, Reijo Sund, Eero Vuoksimaa, Esther Rebato, Joohon Sung, Jina Kim, Jooyeon Lee, Sooji Lee, Maria A. Stazi, Corrado Fagnani, Sonia Brescianini, Catherine A. Derom, Robert F. Vlietinck, Ruth J. F. Loos, Robert Frederick Krueger, Matt McGue, Shandell Pahlen, Tracy L. Nelson, Keith E. Whitfield, Ingunn Brandt, Thomas Sevenius Nilsen, Jennifer Ruth Harris, Tessa L. Cutler, John L. Hopper, Adam D. Tarnoki, David L. Tarnoki, Thorkild I.A. Sørensen, Jaakko Kaprio, Karri Silventoinen, (2018). Association between birth weight and educational attainment: an individual-based pooled analysis of nine twin cohorts. Journal of Epidemiology and Community Health s. 832-837. doi: 10.1136/jech-2017-210403

Aline Jelenkovic, Yoshie Yokoyama, Reijo Sund, Yoon-Mi Hur, Jennifer Ruth Harris, Ingunn Brandt, Thomas Sevenius Nilsen, Karri Silventoinen, Vilhelmina Ullemar, Catarina Almqvist, Patrik KE Magnusson, Kimberly J. Saudino, Maria A. Stazi, Corrado Fagnani, Sonia Brescianini, Tracy L Nelson, Keith E Whitfield, Ariel Knafo-Noam, David Mankuta, Lior Abramson, Tessa L Cutler, John L Hopper, Clare H Llewellyn, Abigail Fisher, Robin P Corley, Brooke M Huibregtse, Catherine A Derom, Robert F. Vlietinck, Morten Bjerregaard-Andersen, Henning Beck-Nielsen, Morten Sodemann, Robert F Krueger, Matt McGue, Shandell Pahlen, S. Alexandra Burt, Kelly L Klump, Lise Dubois, Michel Boivin, Mara Brendgen, Ginette Dionne, Frank Vitaro, Gonneke Willemsen, Meike Bartels, Catharina EM van Beijsterveld, Jeffrey M Craig, Richard Saffery, Finn Rasmussen, Per Tynelius, Kauko Heikkilä, Kirsi H. Pietiläinen, Gombojav Bayasgalan, Danshiitsoodol Narandalai, Claire M.A. Haworth, Robert Plomin, Fuling Ji, Feng Ning, Zengchang Pang, Esther Rebato, Adam D Tarnoki, David L. Tarnoki, Jina Kim, Jooyeon Lee, Sooji Lee, Joohon Sung, Ruth JF Loos, Dorret I Boomsma, Thorkild IA Sørensen, Jaakko Kaprio, Karri Silventoinenaaz, (2018). Associations between birth size and later height from infancy through adulthood: An individual based pooled analysis of 28 twin cohorts participating in the CODATwins project. Early Human Development s. 53-60. doi: 10.1016/j.earlhumdev.2018.04.004

Aline Jelenkovic, Yoshie Yokoyama, Reijo Sund, Kirsi H. Pietiläinen, Yoon-Mi Hur, Gonneke Willemsen, Meike Bartels, Toos C. E. M. van Beijsterveldt, Syuichi Ooki, Kimberly J. Saudino, Maria A. Stazi, Corrado Fagnani, Cristina D'Ippolito, Tracy L. Nelson, Keith E. Whitfield, Ariel Knafo-Noam, David Mankuta, Lior Abramson, Kauko Heikkila, Tessa L. Cutler, John L. Hopper, Jane Wardle, Clare H. Llewellyn, Abigail Fisher, Robin P. Corley, Brooke M. Huibregtse, Catherine A. Derom, Robert F. Vlietinck, Ruth J. F. Loos, Morten Bjerregaard-Andersen, Henning Beck-Nielsen, Morten Sodemann, Adam D. Tarnoki, David L. Tarnoki, S. Alexandra Burt, Kelly L. Klump, Juan R. Ordonana, Juan F. Sánchez-Romera, Lucia Colodro-Conde, Lise Dubois, Michel Boivin, Mara Brendgen, Ginette Dionne, Frank Vitaro, Jennifer Ruth Harris, Ingunn Brandt, Thomas Sevenius Nilsen, Jeffrey M. Craig, Richard Saffery, Finn Rasmussen, Per Tynelius, Gombojav Bayasgalan, Danshiitsoodol Narandalai, Claire M.A. Haworth, Robert Plomin, Fuling Ji, Feng Ning, Zengchang Pang, Esther Rebato, Robert F. Krueger, Matt McGue, Shandell Pahlen, Dorret I. Boomsma, Thorkild I.A. Sørensen, Jaakko Kaprio, Karri Silventoinen, (2017). Association between birthweight and later body mass index: an individual-based pooled analysis of 27 twin cohorts participating in the CODATwins project. International Journal of Epidemiology s. 1488-1498. doi: 10.1093/ije/dyx031

Karri Silventoinen, Aline Jelenkovic, Antti Latvala, Reijo Sund, Yoshie Yokoyama, Vilhelmina Ullemar, Catarina Almqvist, Catherine A. Derom, Robert F. Vlietinck, Ruth J. F. Loos, Christian Kandler, Chika Honda, Fujio Inui, Yoshinori Iwatani, Mikio Watanabe, Esther Rebato, Maria A. Stazi, Corrado Fagnani, Sonia Brescianini, Yoon-Mi Hur, Hoe-Uk Jeong, Tessa L. Cutler, John L. Hopper, Andreas Busjahn, Kimberly J. Saudino, Fuling Ji, Feng Ning, Zengchang Pang, Richard J. Rose, Markku Koskenvuo, Kauko Heikkilae, Wendy Cozen, Amie E. Hwang, Thomas M. Mack, Sisira H. Siribaddana, Matthew Hotopf, Athula Sumathipala, Fruhling Rijsdijk, Joohon Sung, Jina Kim, Jooyeon Lee, Sooji Lee, Tracy L. Nelson, Keith E. Whitfield, Qihua Tan, Dongfeng Zhang, Clare H. Llewellyn, Abigail Fisher, S. Alexandra Burt, Kelly L. Klump, Ariel Knafo-Noam, David Mankuta, Lior Abramson, Sarah E. Medland, Nicholas G Martin, Grant W. Montgomery, Patrik K E Magnusson, Nancy L. Pedersen, Anna K. Dahl Aslan, Robin P. Corley, Brooke M Huibregtse, Sevgi Y. OEncel, Fazil Aliev, Robert F. Krueger, Matt McGue, Shandell Pahlen, Gonneke Willemsen, Meike Bartels, Catharina E. M. van Beijsterveldt, Judy L. Silberg, Lindon J Eaves, Hermine H. Maes, Jennifer Harris, Ingunn Brandt, Thomas Sevenius Nilsen, Finn Rasmussen, Per Tynelius, Laura A. Baker, Catherine Tuvblad, Juan R. Ordonana, Juan F. Sánchez-Romera, Lucia Colodro-Conde, Margaret Gatz, David A. Butler, Paul Lichtenstein, Jack H. Goldberg, K. Paige Harden, Elliot M. Tucker-Drob, Glen E Duncan, Dedra Buchwald, Adam D Tarnoki, David L. Tarnoki, Carol E Franz, William S. Kremen, Michael J Lyons, Jose A. Maia, Duarte L. Freitas,, Eric Turkheimer, Thorkild I.A. Sørensen, Dorret I. Boomsma, (2017). Education in Twins and Their Parents Across Birth Cohorts Over 100 years: An Individual-Level Pooled Analysis of 42-Twin Cohorts. Twin Research and Human Genetics s. 395-405. doi: 10.1017/thg.2017.49

Thomas Sevenius Nilsen, Julia Isaeva, Ingunn Brandt, Jennifer Harris, (2017). Validity of Self-Reported Birth Weight: Results from a Norwegian Twin Sample. Twin Research and Human Genetics s. 406-413. doi: 10.1017/thg.2017.44

Karri Silventoinen, Aline Jelenkovic, Reijo Sund, Yoshie Yokoyama, Yoon-Mi Hur, Wendy Cozen, Amie E. Hwang, Thomas M. Mack, Chika Honda, Fujio Inui, Yoshinori Iwatani, Mikio Watanabe, Rie Tomizawa, Kirsi H. Pietiläinen, Aila Rissanen, Sisira H. Siribaddana, Matthew Hotopf, Athula Sumathipala, Fruhling Rijsdijk, Qihua Tan, Dongfeng Zhang, Zengchang Pang, Maarit Piirtola, Sari Aaltonen, Sevgi Y. Oncel, Fazil Aliev, Esther Rebato, Jacob B. Hjelmborg, Kaare Christensen, Axel Skytthe, Kirsten O. Kyvik, Judy L. Silberg, Lindon J. Eaves, Tessa L. Cutler, Juan R. Ordonana, Juan F. Sánchez-Romera, Lucia Colodro-Conde, Yun-Mi Song, Sarah Yang, Kayoung Lee, Carol E. Franz, William S. Kremen, Michael J. Lyons, Andreas Busjahn, Tracy L. Nelson, Keith E. Whitfield, Christian Kandler, Kerry L. Jang, Margaret Gatz, David A. Butler, Maria A. Stazi, Corrado Fagnani, Cristina D'Ippolito, Glen E. Duncan, Dedra Buchwald, Nicholas G. Martin, Sarah E. Medland, Grant W. Montgomery, Hoe-Uk Jeong, Gary E. Swan, Ruth Krasnow, Patrik KE Magnusson, Nancy L. Pedersen, Anna K. Dahl Aslan, Tom A. McAdams, Thalia C. Eley, Alice M. Gregory, Per Tynelius, Laura A. Baker, Catherine Tuvblad, Gombojav Bayasgalan, Danshiitsoodol Narandalai, Timothy D. Spector, Massimo Mangino, Geneviève Lachance, S. Alexandra Burt, Kelly L. Klump, Jennifer Harris, Ingunn Brandt, Thomas Sevenius Nilsen, Robert F. Krueger, Matt Mcgue, Shandell Pahlen, Robin P. Corley, Brooke M. Huibregtse, Meike Bartels, Catharina E. M. van Beijsterveldt, Gonneke Willemsen, Jack H. Goldberg, Finn Rasmussen, Adam D. Tarnoki, David L. Tarnoki, Catherine A. Derom, Robert F. Vlietinck, Ruth J. F. Loos, John L. Hopper, Joohon Sung, Hermine H. Maes, Eric Turkheimer, Dorret I. Boomsma, (2017). Differences in genetic and environmental variation in adult BMI by sex, age, time period, and region: an individual-based pooled analysis of 40 twin cohorts. American Journal of Clinical Nutrition s. 457-466. doi: 10.3945/ajcn.117.153643

Julia Kutschke, Anina Sætre Bjørnhaug, Ingunn Brandt, Thomas Sevenius Nilsen, Astanand Jugessur, Ulrich Halekoh, Teresa E. Seeman, Jennifer Harris, (2016). Social factors and health : description of a new Norwegian twin study. Norsk Epidemiologi s. 93-102. doi: 10.5324/nje.v26i1-2.2021

Karin Magnusson, Katrina J. Scurrah, Eivind Ystrøm, Ragnhild Ørstavik, Thomas Sevenius Nilsen, Ólöf Anna Steingrímsdóttir, Paulo Ferreira, Anne Marie Fenstad, Ove Furnes, Kåre Birger Hagen, (2016). Genetic factors contribute more to hip than knee surgery due to osteoarthritis - a population-based twin registry study of joint arthroplasty. Osteoarthritis and Cartilage s. 878-884. doi: 10.1016/j.joca.2016.12.015

Aline Jelenkovic, Yoon-Mi Hur, Reijo Sund, Yoshie Yokoyama, Sisira H. Siribaddana, Matthew Hotopf, Athula Sumathipala, Fruhling Rijsdijk, Qihua Tan, Dongfeng Zhang, Zengchang Pang, Sari Aaltonen, Kauko Heikkila, Sevgi Y. Öncel, Fazil Aliev, Esther Rebato, Adam D. Tarnoki, David L. Tarnoki, Kaare Christensen, Axel Skytthe, Kirsten O. Kyvik, Judy L. Silberg, Lindon J. Eaves, Hermine H. Maes, Tessa L. Cutler, John L. Hopper, Juan R. Ordonaña, Juan F. Sánchez-Romera, Lucia Colodro-Conde, Wendy Cozen, Amie E. Hwang, Thomas M. Mack, Joohon Sung, Yun-Mi Song, Sarah Yang, Kayoung Lee, Carol E. Franz, William S. Kremen, Michael J. Lyons, Andreas Busjahn, Tracy L. Nelson, Keith E. Whitfield, Christian Kandler, Kerry L. Jang, Margaret Gatz, David A. Butler, Maria A. Stazi, Corrado Fagnani, Cristina D'Ippolito, Glen E. Duncan, Dedra Buchwald, Catherine A. Derom, Robert F. Vlietinck, Ruth J.F. Loos, Nicholas G. Martin, Sarah E. Medland, Grant W. Montgomery, Hoe-Uk Jeong, Gary E. Swan, Ruth Krasnow, Patrik K.E. Magnusson, Nancy L. Pedersen, Anna K. Dahl-Aslan, Tom A. McAdams, Thalia C. Eley, Alice M. Gregory, Per Tynelius, Laura A. Baker, Catherine Tuvblad, Gombojav Bayasgalan, Danshiitsoodol Narandalai, Paul Lichtenstein, Timothy D. Spector, Massimo Mangino, Genevieve Lachance, Meike Bartels, Toos C.E.M. Van Beijsterveldt, Gonneke Willemsen, S. Alexandra Burt, Kelly L. Klump, Jennifer Harris, Ingunn Brandt, Thomas Sevenius Nilsen, Robert F. Krueger, Matt McGue, Shandell Pahlen, Robin P. Corley, Jacob V.B. Hjelmborg, Jack H. Goldberg, Yoshinori Iwatani, Mikio Watanabe, Chika Honda, Fujio Inui, Finn Rasmussen, Brooke M. Huibregtse, Dorret I. Boomsma, Thorkild I.A. Sørensen, Jaakko Kaprio, Karri Silventoinen, (2016). Genetic and environmental influences on adult human height across birth cohorts from 1886 to 1994. eLIFE doi: 10.7554/eLife.20320

Thomas Sevenius Nilsen, Per Magnus, Ragnhild Ørstavik, (2016). Maternal body composition in relation to twinning. Norsk Epidemiologi s. 77-81. doi: 10.5324/nje.v26i1-2.2019

Thomas Sevenius Nilsen, Ingunn Brandt, Nikolai Olavi Czajkowski, Gun Peggy Knudsen, Per Magnus, Ted Reichborn-Kjennerud, Kristian Tambs, Jennifer Harris, Ragnhild Ørstavik, (2016). The Norwegian twin registry. Norsk Epidemiologi s. 19-27. doi: 10.5324/nje.v26i1-2.2012

Yoshie Yokoyama, Aline Jelenkovic, Reijo Sund, Joohon Sung, John L. Hopper, Syuichi Ooki, Kauko Heikkilä, Sari Aaltonen, Adam D. Tarnoki, David L. Tarnoki, Gonneke Willemsen, Meike Bartels, Toos C.E.M. Van Beijsterveldt, Kimberly J. Saudino, Tessa L. Cutler, Tracy L. Nelson, Keith E. Whitfield, Jane Wardle, Clare H. Llewellyn, Abigail Fisher, Mingguang He, Xiaohu Ding, Morten Bjerregaard-Andersen, Henning Beck-Nielsen, Morten Sodemann, Yun-Mi Song, Sarah Yang, Kayoung Lee, Hoe-Uk Jeong, Ariel Knafo-Noam, David Mankuta, Lior Abramson, S. Alexandra Burt, Kelly L. Klump, Juan R. Ordonaña, Juan F. Sánchez-Romera, Lucia Colodro-Conde, Jennifer Harris, Ingunn Brandt, Thomas Sevenius Nilsen, Jeffrey M. Craig, Richard Saffery, Fuling Ji, Feng Ning, Zengchang Pang, Lise Dubois, Michel Boivin, Mara Brendgen, Ginette Dionne, Frank Vitaro, Nicholas G. Martin, Sarah E. Medland, Grant W. Montgomery, Patrik K.E. Magnusson, Nancy L. Pedersen, Anna K. Dahl Aslan, Per Tynelius, Claire M.A. Haworth, Robert Plomin, Esther Rebato, Richard J. Rose, Jack H. Goldberg, Finn Rasmussen, Yoon-Mi Hur, Thorkild I.A. Sørensen, Dorret I. Boomsma, Jaakko Kaprio, Karri Silventoinen, (2016). Twin's birth-order differences in height and body mass index from birth to old age: a pooled study of 26 twin cohorts participating in the CODATwins Project. Twin Research and Human Genetics s. 112-124. doi: 10.1017/thg.2016.11

Aline Jelenkovic, Yoshie Yokoyama, Reijo Sund, Chika Honda, Leonie H. Bogl, Sari Aaltonen, Fuling Ji, Feng Ning, Zengchang Pang, Juan R. Ordonana, Juan F. Sánchez-Romera, Lucia Colodro-Conde, S Alexandra Burt, Kelly L. Klump, Sarah E. Medland, Grant W. Montgomery, Christian Kandler, Tom A. McAdams, Thalia C. Eley, Alice M. Gregory, Kimberly J. Saudino, Lise Dubois, Michel Boivin, Adam D. Tarnoki, David L. Tarnoki, Claire M.A. Haworth, Robert Plomin, Sevgi Y. Oncel, Fazil Aliev, Maria A. Stazi, Corrado Fagnani, Cristina D'Ippolito, Jeffrey M. Craig, Richard Saffery, Sisira H. Siribaddana, Matthew Hotopf, Athula Sumathipala, Fruhling Rijsdijk, Timothy Spector, Massimo Mangino, Genevieve Lachance, Margaret Gatz, David A. Butler, Gombojav Bayasgalan, Danshiitsoodol Narandalai, Duarte L. Freita, Jose Antonio Maia, K. Paige Harden, Elliot M. Tucker-Drob, Bia Kim, Youngsook Chong, Changhee Hong, Hyun Jung Shin, Kaare Christensen, Axel Skytthe, Kirsten O. Kyvik, Catherine A. Derom, Robert F. Vlietinck, Ruth J.F. Loos, Wendy Cozen, Amie E. Hwang, Thomas M. Mack, Mingguang He, Xiaohu Ding, Billy Chang, Judy L. Silberg, Lindon J. Eaves, Hermine H. Maes, Tessa L. Cutler, John L. Hopper, Kelly Aujard, Patrik K.E. Magnusson, Nancy L. Pedersen, Anna K. Dahl Aslan, Yun-Mi Song, Sarah Yang, Kayoung Lee, Laura A. Baker, Catherine Tuvblad, Morten Bjerregaard-Andersen, Henning Beck-Nielsen, Morten Sodemann, Kauko Heikkilä, Qihua Tan, Dongfeng Zhang, Gary E. Swan, Ruth Krasnow, Kerry L. Jang, Ariel Knafo-Noam, David Mankuta, Lior Abramson, Paul Lichtenstein, Robert F Krueger, Matt McGue, Shandell Pahlen, Per Tynelius, Glen E. Duncan, Dedra Buchwald, Robin P. Corley, Brooke M. Huibregtse, (2015). Zygosity differences in height and body mass index of twins from infancy to old age: A study of the CODATwins project. Twin Research and Human Genetics s. 557-570. doi: 10.1017/thg.2015.57

Karri Silventoinen, Aline Jelenkovic, Reijo Sund, Chika Honda, Sari Aaltonen, Yoshie Yokoyama, Adam D. Tarnoki, David L. Tarnoki, Feng Ning, Fuling Ji, Zengchang Pang, Juan R. Ordonaña, Juan F. Sánchez-Romera, Lucia Colodro-Conde, S Alexandra Burt, Kelly L. Klump, Sarah E. Medland, Grant W. Montgomery, Christian Kandler, Tom A. McAdams, Thalia C. Eley, Alice M. Gregory, Kimberly J. Saudino, Lise Dubois, Michel Boivin, Claire M.A. Haworth, Robert Plomin, Sevgi Y. Oncel, Fazil Aliev, Maria A. Stazi, Corrado Fagnani, Cristina D'Ippolito, Jeffrey M. Craig, Richard Saffery, Sisira H. Siribaddana, Matthew Hotopf, Athula Sumathipala, Timothy Spector, Massimo Mangino, Genevieve Lachance, Margaret Gatz, David A. Butler, Gombojav Bayasgalan, Danshiitsoodol Narandalai, Duarte L. Freitas, Jose Antonio Maia, K. Paige Harden, Elliot M. Tucker-Drob, Kaare Christensen, Axel Skytthe, Kirsten O. Kyvik, Changhee Hong, Youngsook Chong, Catherine A Derom, Robert F. Vlietinck, Ruth J.F. Loos, Wendy Cozen, Amie E. Hwang, Thomas M. Mack, Mingguang He, Xiaohu Ding, Billy Chang, Judy L Silberg, Lindon J Eaves, Hermine H Maes, Tessa L Cutler, John L Hopper, Kelly Aujard, Patrik K E Magnusson, Nancy L Pedersen, Anna K Dahl Aslan, Yun-Mi Song, Sarah Yang, Kayoung Lee, Laura A Baker, Catherine Tuvblad, Morten Bjerregaard-Andersen, Henning Beck-Nielsen, Morten Sodemann, Kauko Heikkilä, Qihua Tan, Dongfeng Zhang, Gary E Swan, Ruth Krasnow, Kerry L Jang, Ariel Knafo-Noam, David Mankuta, Lior Abramson, Paul Lichtenstein, Robert F Krueger, Matt McGue, Shandell Pahlen, Per Tynelius, Glen E Duncan, Dedra Buchwald, Robin P Corley, Brooke M Huibregtse, Tracy L Nelson, Keith E Whitfield, Carol E Franz, (2015). The CODAtwins project: the cohort description of COllaborative project of Development of Anthropometrical measures in Twins to study macro-environmental variation in genetic and environmental effects on anthropometric traits. Twin Research and Human Genetics s. 348-360. doi: 10.1017/thg.2015.29

Thomas Sevenius Nilsen, (2014). Leder, født sånn eller blitt sånn. Magma forskning og viten s. 77-84.

Thomas Sevenius Nilsen, Gun Peggy Knudsen, Kristina Gervin, Ingunn Brandt, Espen Røysamb, Kristian Tambs, Ragnhild Ørstavik, Robert Lyle, Ted Reichborn-Kjennerud, Per Magnus, Jennifer Harris, (2013). The Norwegian twin registry from a public health perspective: a research update. Twin Research and Human Genetics s. 285-295. doi: 10.1017/thg.2012.117

Thomas Sevenius Nilsen, Ingunn Brandt, Per Magnus, Jennifer Harris, (2012). The Norwegian Twin Registry. Twin Research and Human Genetics s. 775-780. doi: 10.1017/thg.2012.57

Jan C Frich, Kirsten Brubakk, Berit Holthe Munkeby, Thomas Sevenius Nilsen, Anita Schumacher, (2008). Mellom kultur og høyteknologi. Tidsskrift for Den norske legeforening (Tidsskriftet) s. 74-76.

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