1. Duke Clinical Research Institute; Durham NC
2. Bristol-Myers Squibb; Wallingford CT
3. Harvard Medical School, Beth Israel Deaconess Medical Center; Boston MA
4. Scripps Clinic; La Jolla CA
5. Quest Clinical Research; San Francisco CA
6. Liver Institute of Virginia, Bon Secours Health System; Newport News VA
7. Kansas City Gastroenterology & Hepatology Physicians Group; Kansas City MO
8. Bristol-Myers Squibb; Hopewell NJ
9. Bristol-Myers Squibb; Lawrenceville NJ