1. Sorbonne Paris Cité; Medicine Faculty; Paris Descartes University; Paris France
2. Assistance Publique − Hôpitaux de Paris; Interventional Radiology Department; Georges Pompidou European Hospital; Paris France
3. Department of Digestive and General Surgery; La Timone Hospital; Marseille France
4. Aix-Marseille University; Marseille France
5. INSERM; UMR-S 1076 VRCM (Vascular Research Centre of Marseille); Marseille France
6. INSERM U970; Paris France
7. Department of Radiology; La Timone Hospital; Marseille France
8. Assistance Publique − Hôpitaux de Paris; Georges Pompidou European Hospital; Gastro-enterology Department; Paris France
9. Assistance Publique − Hôpitaux de Paris; Georges Pompidou European Hospital; Unité d’Épidémiologie et de Recherche Clinique; Paris France
10. INSERM; Centre d'Investigation Clinique 1418; Module d’Épidémiologie Clinique; Paris France
11. Department of Proctology; Saint Joseph Hospital; Paris France