1Department of Reproductive Medicine, Amsterdam UMC Location Vrije Universiteit Amsterdam, De Boelelaan 1117, 1081HV, Amsterdam, 1081 HV The Netherlands
2Amsterdam Reproduction and Development Research Institute, Amsterdam, The Netherlands
3Department of Obstetrics and Gynaecology, OLVG, Amsterdam, 1091 AC The Netherlands
4Department of Obstetrics and Gynaecology, Máxima Medisch Centrum, Veldhoven, Eindhoven, 4600 DB The Netherlands
5Grow Research School for Oncology and Reproduction, Maastricht University, Universiteitssingel 40, Maastricht, 6229 ER The Netherlands
6Department of Obstetrics and Gynaecology, Ziekenhuis Gelderse Vallei, Ede, 6716 RP The Netherlands
7Department of Obstetrics and Gynaecology, Meander Medisch Centrum, Amersfoort, 3813 TZ The Netherlands
8Department of Obstetrics and Gynaecology, VieCuri Medisch Centrum, Venlo, 5912 BL The Netherlands
9Department of Obstetrics and Gynaecology, Ziekenhuis Amstelland, Amstelveen, 1186 AM The Netherlands
10Department of Obstetrics and Gynaecology, Martini Ziekenhuis, Groningen, 9728 NT The Netherlands
11Department of Obstetrics and Gynaecology, Zuyderland Medisch Centrum, Heerlen, 6419 PC The Netherlands
12Department of Obstetrics and Gynaecology, St. Jansdal Ziekenhuis, Harderwijk, 3844 DG The Netherlands
13Department of Obstetrics and Gynaecology, Elkerliek Ziekenhuis, Helmond, 5707 HA The Netherlands
14Department of Obstetrics and Gynaecology, Rijnstate Ziekenhuis, Arnhem, 6815 AD The Netherlands
15Department of Obstetrics and Gynaecology, Maastricht Universitair Medisch Centrum +, Maastricht, 6229 HX The Netherlands
16Department of Obstetrics and Gynaecology, Noordwest Ziekenhuisgroep, Alkmaar, 1815 JD The Netherlands
17Department of Obstetrics and Gynaecology, Zaans Medisch Centrum, Zaandam, 1502 DV The Netherlands
18Department of Obstetrics and Gynaecology, Catharina Ziekenhuis, Eindhoven, 5623 EJ The Netherlands
19Department of Obstetrics and Gynaecology, Haga Ziekenhuis, Den Haag, 2545 AA The Netherlands
20Radiology and Nuclear Medicine, Amsterdam UMC Location University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, Netherlands
21Department of Radiology, Imperial College Healthcare NHS Trust, Hammersmith Hospital, London, W12 0HS England
22Department of Obstetrics and Gynaecology, Monash University, Clayton, VIC 3168 Australia
23Aberdeen Centre for Women’s Health Research, School of Medicine, Medical Sciences and Nutrition, University of Aberdeen, Aberdeen, UK