1. Division of Gastroenterology and Hepatology University of Wisconsin School of Medicine and Public Health Madison WI
2. University of Pittsburgh Medical Center Pittsburgh PA
3. Liver Unit Hospital Universitari Vall d'HebronUniversitat Autònoma de Barcelona Barcelona Spain
4. Centro de Investigación en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD) Barcelona Spain
5. Division of Gastroenterology, Liver Unit University of Alberta Edmonton AB Canada
6. Hospital Universitario, Departamento de Gastroenterología Universidad Autonoma de Nuevo Leon Monterrey Mexico
7. Division of Digestive and Liver Diseases Department of Medicine Columbia College of Physicians and SurgeonsColumbia University Medical Center New York NY
8. Division of Gastroenterology and Hepatology Weill Cornell Medical College New York NY
9. Liver Unit, Hospital Clinic Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Centro de Investigación en Red de Enfermedades Hepáticas y Digestivas (CIBERehd) Barcelona Spain
10. Institute of Liver Studies King's College London School of Medicine at King's College HospitalKing's College Hospital London United Kingdom
11. Service des Maladies de L'appareil Digestif et Unité INSERM Hôpital Huriez Lille France
12. Section of Digestive Diseases Yale University School of Medicine New Haven CT
13. Section of Digestive Diseases VA‐CT Healthcare System West Haven CT
14. UC San Diego San Diego CA