1Beth Israel Deaconess Medical Center, Boston
2Johann Wolfgang Goethe University Medical Center, Frankfurt am Main
3Indiana University School of Medicine, Indianapolis
4University of California at San Diego Medical Center, San Diego
5Atlanta Gastroenterology Associates, Atlanta
6Azienda Ospedaliera Ospedale Niguarda Ca' Granda, Milan
7Hospital Universitario Nuestra Señora de Valme, Seville
8Centre Hospitalier Universitaire Grenoble, Grenoble
9Institute of Liver Studies, Kings College Hospital
10Institut für interdisziplinäre Medizin Studien an der Asklepios Klinik St. Georg, Hamburg
11Queen Mary University of London
12James J. Peters Veterans Affairs Medical Center, Bronx, NY
13Hospital Universitario Vall d'Hebron and Ciberhed del Instituto Carlos III, Barcelona
14Weill Cornell Medical College, New York
15Gilead Sciences, Foster City
16Duke University Medical Center, Durham, NC
17Casa Sollievo della Sofferenza Hospital, San Giovanni Rotondo
18Hôpital Beaujon, Clichy