[1
]ISNI 0000000404654431, GRID grid.5650.6, Department of Obstetrics and Gynaecology, , Academic Medical Center (AMC), ; Amsterdam, The Netherlands
[2
]ISNI 0000000090126352, GRID grid.7692.a, Julius Center for General Practice and Health Sciences, , University Medical Center Utrecht (UMCU), ; Utrecht, The Netherlands
[3
]GRID grid.440209.b, Department of Obstetrics and Gynaecology, , Onze Lieve Vrouwe Gasthuis (OLVG) Oost, ; Amsterdam, The Netherlands
[4
]ISNI 0000 0000 9558 4598, GRID grid.4494.d, Department of Obstetrics and Gynaecology, , University Medical Center Groningen (UMCG), ; Groningen, The Netherlands
[5
]ISNI 0000 0001 0547 5927, GRID grid.452600.5, Department of Obstetrics and Gynaecology, , Isala Hospital, ; Zwolle, The Netherlands
[6
]ISNI 0000000089452978, GRID grid.10419.3d, Department of Obstetrics and Gynaecology, , Leiden University Medical Center (LUMC), ; Leiden, The Netherlands
[7
]GRID grid.440159.d, Department of Obstetrics and Gynaecology, , Flevoziekenhuis, ; Almere, The Netherlands
[8
]ISNI 0000 0004 0435 165X, GRID grid.16872.3a, Department of Obstetrics and Gynaecology, , VU Medical Center (VUmc), ; Amsterdam, The Netherlands
[9
]ISNI 0000 0004 0501 2983, GRID grid.417773.1, Department of Obstetrics and Gynaecology, , Zaans Medical Center (ZMC), ; Zaandam, The Netherlands
[10
]GRID grid.440209.b, Department of Obstetrics and Gynaecology, , Onze Lieve Vrouwe Gasthuis (OLVG) West, ; Amsterdam, The Netherlands
[11
]ISNI 0000 0004 0396 792X, GRID grid.413972.a, Department of Obstetrics and Gynaecology, , Albert Schweitzer Hospital, ; Dordrecht, The Netherlands
[12
]ISNI 0000 0004 0396 5908, GRID grid.413649.d, Department of Obstetrics and Gynaecology, , Deventer Hospital, ; Deventer, The Netherlands
[13
]ISNI 0000 0004 0631 9063, GRID grid.416468.9, Department of Obstetrics and Gynaecology, , Martini Hospital, ; Groningen, The Netherlands
[14
]ISNI 0000 0004 0459 9858, GRID grid.461048.f, Department of Obstetrics and Gynaecology, , Sint Franciscus Gasthuis, ; Rotterdam, The Netherlands
[15
]GRID grid.412725.7, Department of Obstetrics and Gynaecology, , Spedali Civili di Brescia and University of Brescia, ; Brescia, Italy
[16
]ISNI 0000 0001 0721 9812, GRID grid.150338.c, Department of Obstetrics and Gynaecology, , University Hospitals of Geneva and Faculty of Medicine, ; Geneva, Switzerland
[17
]GRID grid.413711.1, Department of Obstetrics and Gynaecology, , Amphia Hospital, ; Breda, The Netherlands
[18
]ISNI 0000 0004 0370 4214, GRID grid.415355.3, Department of Obstetrics and Gynaecology, , Gelre Hospital, ; Apeldoorn, The Netherlands
[19
]GRID grid.412966.e, Department of Obstetrics and Gynaecology, , Maastricht University Medical Centre (MUMC), ; Maastricht, The Netherlands
[20
]ISNI 0000 0004 0568 6689, GRID grid.413591.b, Department of Obstetrics and Gynaecology, , HagaZiekenhuis, ; Den Haag, The Netherlands
[21
]ISNI 0000 0004 0398 8384, GRID grid.413532.2, Department of Obstetrics and Gynaecology, , Catharina Hospital, ; Eindhoven, The Netherlands
[22
]ISNI 0000 0004 0631 9258, GRID grid.413681.9, Department of Obstetrics and Gynaecology, , Diakonessenhuis, ; Utrecht, The Netherlands
[23
]Department of Obstetrics and Gynaecology, Spaarne Gasthuis, Haarlem, The Netherlands
[24
]Department of Obstetrics and Gynaecology, Spaarne Gasthuis, Hoofddorp, The Netherlands
[25
]ISNI 0000 0004 0368 8146, GRID grid.414725.1, Department of Obstetrics and Gynaecology, , Meander Medical Center, ; Amersfoort, The Netherlands
[26
]ISNI 0000 0004 0419 3743, GRID grid.414846.b, Department of Obstetrics and Gynaecology, , Medical Center Leeuwarden, ; Leeuwarden, The Netherlands
[27
]GRID grid.415930.a, Department of Obstetrics and Gynaecology, , Rijnstate Hospital, ; Arnhem, The Netherlands
[28
]Department of Obstetrics and Gynaecology, Tergooi Hospital, Hilversum, The Netherlands
[29
]Department of Obstetrics and Gynaecology, Westfries Gasthuis, Hoorn, The Netherlands
[30
]Department of Obstetrics and Gynaecology, Zuyderland Hospital, Heerlen, The Netherlands
[31
]ISNI 0000 0004 1756 4611, GRID grid.416415.3, Department of Obstetrics and Gynaecology, , Elizabeth TweeSteden Hospital, ; Tilburg, The Netherlands
[32
]ISNI 0000 0004 1936 7304, GRID grid.1010.0, Robinson Research Institute, School of Paediatrics and Reproductive Health, , University of Adelaide, ; Adelaide, Australia
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