1. Department of Gastroenterology; Saint Antoine Hospital; Assistance Publique Hôpitaux de Paris and Paris VI University; Paris France
2. Department of Hepatogastroenterology; Nancy University Hospital; Vandoeuvre-les-Nancy France
3. Department of Bacteriology-Virology-Hygiene; Saint Etienne Hospital; Saint Etienne France
4. GIMAP EA 3064; Faculté de médecine de Saint-Etienne; Université de Lyon; Lyon France
5. Laboratoire INSERM U1057/UMR CNRS 7203; Université Pierre et Marie Curie 6; Paris France
6. Public Health department; Saint-Antoine Hospital; AP-HP Paris; UMRS 707; Université Pierre et Marie Curie-Paris 6 & INSERM; Paris France
7. Department of Virology; Saint Antoine Hospital; Assistance Publique Hôpitaux de Paris and Paris VI University; Paris France
8. Department of Gastroenterology; Saint Etienne Hospital; Saint Etienne France
9. Commensal and Probiotics-Host Interactions Laboratory; UMR 1319 Micalis; Jouy-en-Josas France