1. AP-HP, UPMC, Department of Hepatogastroenterology, La Pitié-Salpêtrière Hospital, Assistance Publique-Hôpitaux de Paris; Pierre et Marie Curie University; Paris; France
2. AP-HP, UPMC, Department of Hepatobiliary Surgery and Liver Transplantation, La Pitié-Salpêtrière Hospital, Assistance Publique-Hôpitaux de Paris; Pierre et Marie Curie University; Paris; France
3. AP-HP, Laboratoire de bactériologie-virologie-hygiène; CHU Henri-Mondor; Créteil Cedex; France