University of Amsterdam - Department of Obstetrics and Gynecology, University of Amsterdam - Department of Obstetrics and Gynecology, University of Amsterdam - Department of Obstetrics and Gynecology, University of Amsterdam - Department of Obstetrics and Gynecology, University of Amsterdam - Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (OLVG) - Department of Obstetrics and Gynaecology, Onze Lieve Vrouwe Gasthuis (OLVG) - Department of Obstetrics and Gynaecology, Flevo Hospital - Department of Obstetrics and Gynaecology, Ter Gooi Medical Center - Department of Obstetrics and Gynaecology, Radboud University Nijmegen - Department of Obstetrics & Gynecology, Spaarne Gasthuis - Department of Obstetrics and Gynaecology, Spaarne Gasthuis - Department of Obstetrics and Gynaecology, Sint Fransiscus Gasthuis - Department of Obstetrics and Gynaecology, University Medical Center Groningen - Department of Obstetrics and Gynecology, Sint Fransiscus Gasthuis - Department of Obstetrics and Gynaecology, Amsterdam Reproduction and Development, VU University Medical Centre - Department of Obstetrics and Gynaecology, Monash University - Department of Obstetrics and Gynaecology, University of Amsterdam - Department of Obstetrics and Gynecology, University of Amsterdam - Department of Obstetrics and Gynecology and Independent

University of Groningen, University of Groningen, University of Groningen, University of Groningen, Radboud University, Maastricht University, Leiden University - Health Campus The Hague, University Medical Center Groningen - Department of Obstetrics and Gynecology, University of Groningen, University of Groningen and University of Groningen