1. Department of Medicine, Division of Gastroenterology, Massachusetts General Hospital, Boston, Massachusetts, USA
2. Department of Medicine, Division of Nephrology, Massachusetts General Hospital, Boston, Massachusetts, USA
3. Department of Medicine, Division of Digestive and Liver Diseases, UT Southwestern Medical Center, Dallas, TX, USA
4. Department of Medicine, University of California-San Francisco, San Francisco, California, USA
5. Department of Medicine, Division of Gastroenterology and Hepatology, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
6. Liver Unit, Hospital Clinic of Barcelona, University of Barcelona, Barcelona, Catalonia, Spain
7. Fundació Clínic per la Recerca Biomèdica-Institut d’Investigació Biomèdica August Pi-Sunyer (IDIBAPS), Barcelona, Spain
8. Ciber de Enfermedades Hepáticas y Digestivas (CIBEREHD), Madrid, Spain
9. Department of Medicine, Unit of Internal Medicine and Hepatology, University of Padua, Italy
10. Baylor University Medical Center, Dallas, Texas, USA
11. Department of Medicine, Section of Gastroenterology and Hepatology, Baylor College of Medicine and Michael E. DeBakey Veterans Affairs Medical Center, Houston, Texas 77030, USA