1. Department of Clinical Research University of Southern Denmhark Odense Denmark
2. Department of Obstetrics and Gynaecology Kilimanjaro Christian Medical Center Moshi Tanzania
3. Department of Obstetrics and Gynaecology Odense University Hospital Odense Denmark
4. Department of Preventive Medicine and Public Health University of Granada Granada Spain
5. OPEN‐Odense Patient Data Explorative Network Odense University Hospital Odense Denmark
6. Department of Public Health University of Southern Denmark Esbjerg Denmark