1. Department of Obstetrics and Gynecology University Hospital Brugmann, Université Libre de Bruxelles, Vrije Universiteit Brussel Brussels Belgium
2. Department of Obstetrics and Gynecology Hannover Medical School Hannover Germany
3. Department of Radiology University Hospital Brugmann, Université Libre de Bruxelles, Vrije Universiteit Brussel Brussels Belgium
4. Department of Radiology UZ Brussel, Vrije Universiteit Brussel Brussels Belgium