Int J Epidemiol 2014 Dec 26;43(6):1929-44. Epub 2014 Sep 26.
School of Social and Community Medicine, University of Bristol, Bristol, UK, Maelstrom Research Group, Research Institute of the McGill University Health Centre, McGill University, Montreal, Canada, Norwegian Institute of Public Health, Oslo, Norway, Department Statistical Science, University College London, London, UK, Department of Infection, Immunity and Inflammation, Health Sciences, University of Leicester, Leicester, UK, Institute for Molecular Medicine Finland (FIMM), University of Helsinki, Helsinki, Finland, Unit of Public Health Genomics, National Institute for Health and Welfare, Helsinki, Finland, Department of Health Sciences, University of Leicester, Leicester, UK, Department of Sociology, University of Leicester, Leicester, UK, Department of Epidemiology, University Medical Center Groningen, Groningen, The Netherlands, Institut für Community Medicine, University Medicine of Greifswald, Greifswald, Germany, International Prevention Research Institute, Lyon, France, Telethon Kids Institute, University of Western Australia, Perth, WA, Australia, School of Geosciences, University of Edinburgh, Edinburgh, UK, Norwegian University of Science and Technology, Levanger, Norway, HRB Centre for Diet and Health Research, Department of Epidemiology and Public Health, University College Cork, Cork, Ireland, Research Unit of Molecular Epidemiology, Research Center for Environmental Health, Neuherberg, Germany, MRC/CSO Social and Public Health Sciences Unit, University of Glasgow, Glasgow, UK, University of Tartu, Estonian Genome Center, Tartu, Estonia, University Medical Center Groningen, Medical Statistics, Groningen, The Netherlands, Centre of Genomics and Policy, McGill University, Montreal, Canada, University Medical Center Groningen, LifeLines Cohort Study, Groningen, The Netherlands, Department of Endocrinology, University Medical Center Groningen, Groningen, The Netherlands, School of Social and Community Medicine, University of Bristol, Bristol, UK and Onta