1. Department of Epidemiology Harvard T. H. Chan School of Public Health Boston Massachusetts
2. Centre for Public Health Sciences University of Iceland Reykjavik Iceland
3. Icelandic Cancer Registry Reykjavik Iceland
4. Department of Medical Epidemiology and Biostatistics Karolinska Institute Stockholm Sweden
5. Channing Division of Network Medicine, Department of Medicine Brigham and Women’s Hospital and Harvard Medical School Boston Massachusetts
6. Department of Nutrition Harvard T. H. Chan School of Public Health Boston Massachusetts
7. Icelandic Heart Association Kopavogur Iceland
8. Faculty of Medicine University of Iceland Reykjavik Iceland
9. Department of Education and Prevention Icelandic Cancer Society Reykjavik Iceland
10. Laboratory of Epidemiology and Population Sciences Intramural Research Program, National Institute on Aging Bethesda Maryland