1. Department of Obstetrics and Gynaecology; Research School GROW; Maastricht University Medical Centre (MUMC); Maastricht the Netherlands
2. Department of Epidemiology; Maastricht University; Maastricht the Netherlands
3. Department of Cardiology; Radboud University Medical Centre (Radboudumc); Radboud the Netherlands
4. Department of Obstetrics and Gynecology; Radboud University Medical Centre (Radboudumc); Radboud the Netherlands