1. Department of Gynaecology Leiden University Medical Centre Leiden the Netherlands
2. Department of Biomedical Data Sciences Section Medical Decision Making Leiden University Medical Centre Leiden the Netherlands
3. Department of Gynaecology Maastricht University Medical Centre+ Maastricht the Netherlands
4. Department of Gynaecology Haaglanden Medisch Centrum Den Haag the Netherlands
5. Department of Biomechanical Engineering Delft University of Technology Delft the Netherlands
6. Clinical Epidemiology and Medical Technology Assessment Maastricht University Medical Centre+ Maastricht the Netherlands