1. Department of Public Health and Nursing NTNU Norwegian University of Science and Technology Trondheim Norway
2. Department of Obstetrics and Gynecology Levanger Hospital Nord‐Trøndelag Hospital Trust Levanger Norway
3. Harvard T.H. Chan School of Public Health Harvard University Boston MA
4. Division of Women's Health Brigham and Women's Hospital and Harvard Medical School Boston MA
5. MRC Integrative Epidemiology Unit and Population Health Sciences Bristol Medical School University of Bristol United Kingdom
6. Department of Endocrinology St. Olavs Hospital Trondheim University Hospital Trondheim Norway