1Beth Israel Deaconess Medical Center, Boston
2University of Pennsylvania, Philadelphia
3University of Florida, Gainesville
4Texas Liver Institute, University of Texas Health Science Center, San Antonio
5Henry Ford Health Systems, Detroit
6Center for Liver Diseases, School of Medicine, University of Miami, Miami
7ID Care, Hillsborough, NJ
8North Texas Research Institute, Arlington
9Atlanta Gastroenterology Associates, Atlanta
10Quality Medical Research, Nashville
11Quest Clinical Research, San Francisco
12Gastro One, Germantown
13Scripps Clinic, La Jolla
14University of New Mexico, Albuquerque
15Gilead Sciences, Foster City
16Duke University Medical Center, Durham, NC
17Johns Hopkins Medical Center, Baltimore
18Indiana University School of Medicine, Indianapolis