1. Department of Gastroenterology; AP-HP; Hôpital Saint-Antoine; Paris France
2. ERL 1057 INSERM/UMRS 7203 and GRC-UPMC 03; UPMC Univ Paris 06; Paris France
3. Department of Public Health; AP-HP; Hôpital Saint-Antoine; Paris France
4. UMR-S 1136; INSERM & UPMC Univ Paris 06; Paris France
5. The Dr Henry D Janowitz Division of Gastroenterology; Icahn School of Medicine at Mount Sinai; New York NY USA
6. Registre Bourguignon des Cancers Digestifs; Inserm U866; CHRU Dijon; FRANCIM; Dijon France
7. Department of Gastroenterology; AP-HP; Hôpital Cochin-Port Royal; Paris France
8. University Paris Descartes 05; Paris France
9. Department of gastroenterology; AP-HP; Hôpital Lariboisière; Paris France
10. University Paris Diderot Paris 7; Paris France
11. Clinical Pharmacology Unit; Unité de Recherche clinique de l'Est Parisien; Assistance Publique-Hôpitaux de Paris; Hôpital Saint Antoine; Paris France
12. UPMC Univ Paris 06; Paris France
13. Inserm U954 and Department of Hepato-Gastroenterology; University Hospital of Nancy; Lorraine University; Vandoeuvre-lès-Nancy France