1. Center for Outcomes Research in Liver Diseases, Washington, D. C
2. Department of Gastroenterology, St. Vincent’s Hospital
3. Department of Infectious Diseases, Alfred Hospital, Monash University
4. Burnet Institute, Melbourne, Australia
5. Betty and Guy Beatty Center for Integrated Research, Inova Health System, Falls Church, Virginia
6. Center for Liver Diseases, Department of Medicine, Inova Fairfax Hospital