1. Department of Obstetrics and Gynecology, Maastricht University Medical Centre, Maastricht, The Netherlands.
2. Department of Obstetrics and Gynecology, Radboud University Medical Centre, Nijmegen, The Netherlands.
3. GROW – School for Oncology and Developmental Biology, Maastricht University Medical Centre, Maastricht, The Netherlands.
4. Department of Obstetrics and Gynecology, Canisius Wilhelmina Hospital, Nijmegen, The Netherlands.
5. Department of Clinical Epidemiology and Medical Technology Assessment (KEMTA), Maastricht University Medical Centre, Maastricht, The Netherlands.