[1
]Division of Gastrointestinal and Liver Diseases and the Research Center for Liver
Diseases, University of Southern California Keck School of Medicine, Los Angeles,
CA
[2
]Service d’Hépatologie, Hôpital Beaujon, Université Denis-Diderot-Paris 7, and Institut
National de la Santé et de la Recherche Médicale U773, Clichy, France
[3
]Digestive Disease Section, Yale University School of Medicine and Veterans Administration–Connecticut
Healthcare System, New Haven, CT