1. Duke Clinical Research Institute Durham NC
2. University of Miami Miami FL
3. Toronto Centre for Liver Disease Toronto ON Canada
4. University of Alberta Edmonton AB Canada
5. Liver Institute of Virginia Richmond VA
6. University of Virginia Charlottesville VA
7. Virginia Commonwealth University Richmond VA
8. Gilead Sciences, Inc Foster City CA
9. Hannover Medical School Hannover Germany
10. University of Oxford Oxford UK
11. Beth Israel Deaconess Medical Center and Harvard Medical School Boston MA
12. Inova Fairfax Hospital Falls Church VA
13. Aspen Woods Clinic Calgary AB Canada
14. University of California at Davis Sacramento CA