1. Department of Occupational and Environmental Medicine Copenhagen University Hospital ‐ Bispebjerg and Frederiksberg Copenhagen Denmark
2. Department of Public Health The Faculty of Health Sciences University of Copenhagen Aarhus C Denmark
3. National Research Centre for the Working Environment Kobenhavn Denmark
4. Department of Public Health Research unit for Epidemiology Aarhus University Aarhus C Denmark
5. Steno Diabetes Center Aarhus Aarhus University Hospital Aarhus Denmark
6. Division of Occupational and Environmental Medicine Department of Laboratory Medicine Lund University Lund Sweden
7. Molecular Reproductive Medicine Department of Translational Medicine Lund University Malmo Sweden