1. Department of Medicine; Center for Liver Diseases; Inova Fairfax Hospital; Falls Church VA USA
2. Center for Outcomes Research in Liver Diseases; Washington DC USA
3. Texas Liver Institute; San Antonio TX USA
4. Intermountain Medical Center; Salt Lake City UT USA
5. University of California San Diego; La Jolla CA USA
6. Gilead Sciences, Inc.; Foster City CA USA
7. Betty and Guy Beatty Center for Integrated Research; Inova Health System; Falls Church VA USA