1. Department of Obstetrics and Gynecology, Erasmus Medical Centre, Rotterdam, The Netherlands
2. Department of Obstetrics and Gynecology, University Medical Center Utrecht, Utrecht, The Netherlands
3. Department of Healthcare Innovation and Evaluation, University Medical Center Utrecht, Utrecht, The Netherlands
4. Erasmus School of Health Policy & Management, Department of Health Technology Assessment, Erasmus University Rotterdam, Rotterdam, The Netherlands
5. Department of Obstetrics and Gynecology, Academic Collaborative Maternity Care, University Medical Center Utrecht, Utrecht, The Netherlands