1. TARGET PharmaSolutions Inc., Durham, North Carolina, USA
2. Elliott Health Information Pros Inc., Cary, North Carolina, USA
3. Liver Care and Transplantation Services at University of Washington Medical Center, Seattle, Washington, USA
4. Department of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
5. Department of Medicine, Division of Gastroenterology and Hepatology, Weill Cornell Medicine Center for Liver Disease, New York, New York, USA