1. Department of Gynecology, Centre Hospitalier Universitaire de Tours, Tours, France;
2. INSERM U1069; Université François-Rabelais, Tours, France;
3. Department of Obstetrics and Gynecology, Institute Alix de Champagne University Hospital, Reims, France;
4. Department of Obstetrics and Gynecology, Hôpital Tenon, Assistance Publique Des Hôpitaux de Paris, GRC-6 UPMC, Université Pierre et Marie Curie, France;
5. UMR S 707, Epidemiology, Information Systems, Modeling, Université Pierre et Marie Curie, Paris, France;
6. Department of Obstetrics and Gynecology, Centre Hospitalier Intercommunal, Créteil, France;
7. Department of Gynecological Surgery, Assistance Publique Des Hôpitaux de Marseille, Marseille, France;
8. Inserm Umr S 938, Université Pierre et Marie Curie, Paris, France