1 Department of Obstetrics and Gynaecology, Radboud Institute for Health Sciences, Radboud University Medical Centre, Nijmegen, The Netherlands.
2 Department of Obstetrics and Gynaecology, Canisius Wilhelmina Ziekenhuis, Nijmegen, The Netherlands.
3 Division of Medical Oncology, Department of Internal Medicine, Maastricht University Medical Centre+, Maastricht, The Netherlands.
4 GROW-School of Oncology and Developmental Biology, Maastricht University Medical Centre+, Maastricht, The Netherlands.
5 Section Biostatistics, Department for Health Evidence, Radboud Institute for Health Sciences, Radboud University Medical Centre, Nijmegen, The Netherlands.
6 Department of Obstetrics and Gynaecology, Maastricht University Medical Centre+, Maastricht, The Netherlands.