1. Department of Obstetrics and Gynaecology; Radboud University Nijmegen Medical Centre; Nijmegen the Netherlands
2. Institute of Health Policy & Management (iBMG); Erasmus University Rotterdam; DR Rotterdam the Netherlands
3. Department of Neurology; Radboud University Nijmegen Medical Centre; Nijmegen the Netherlands
4. Scientific Institute for Quality of Healthcare; Radboud University Nijmegen Medical Centre; Nijmegen the Netherlands