1. Proctology and Gastroenterology Department, APHP-Bichat Hospital, 75018 Paris, France
2. Biostatistics and Medical IT Department, APHP-Bichat Hospital, 75018 Paris, France
3. Department of Obstetrics and Gynecology, APHP-Bichat Hospital, 75018 Paris, France
4. Department of Obstetrics and Gynecology, Versailles Hospital, 78157 Le Chesnay, France
5. Department of Obstetrics and Gynecology, APHP-Armand Trousseau Hospital, 75012 Paris, France
6. Department of Obstetrics and Gynecology, APHP-Beaujon Hospital, 92110 Clichy, France
7. Department of Obstetrics and Gynecology, APHP-Jean Verdier Hospital, 93140 Bondy, France
8. Department of Obstetrics and Gynecology, APHP-Louis Mourier Hospital, 92700 Colombes, France
9. Proctology and Gastroenterology Department, Blomet Clinic (Ramsay GDS Group), 75015 Paris, France