1. Molecular Epidemiology, Department of Biomedical Data Sciences, Leiden University Medical Center, 2300 RC Leiden, Netherlands.
2. Division of Human Nutrition, Wageningen University and Research, 6708 WE Wageningen, Netherlands.
3. Medical Statistics, Department of Biomedical Data Sciences, Leiden University Medical Center, 2300 RC Leiden, Netherlands.
4. Hubert Department of Global Health, Rollins School of Public Health, Emory University, Atlanta, GA 30322, USA.
5. Faculty of Psychology and Educational Sciences, Welten Institute, Open University of the Netherlands, 6419 AT Heerlen, Netherlands.
6. Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, NY 10032, USA.