Published on in Vol 7, No 5 (2018): May
1 Care and Public Health Research Institute, Department of Epidemiology, Maastricht University, Maastricht, Netherlands
2 Care and Public Health Research Institute, Department of Clinical Epidemiology and Medical Technology Assessment, Maastricht University Medical Centre, Maastricht, Netherlands
3 Department of Obstetrics and Gynecology, Sint Jans Gasthuis Weert, Weert, Netherlands
4 School for Oncology and Developmental Biology, Department of Obstetrics and Gynecology, Maastricht University Medical Centre, Maastricht, Netherlands
5 Department of Obstetrics and Gynecology, Zuyderland Medical Centre, Heerlen, Netherlands
6 Department of Obstetrics and Gynecology, Laurentius Hospital, Roermond, Netherlands