[1] Gilead Sci Inc, 353 Lakeside Dr, Foster City, CA 94404 USA
[2] Univ Texas Hlth, Texas Liver Inst, San Antonio, TX USA
[3] Univ Washington, Med Ctr, Seattle, WA 98195 USA
[4] Univ Tennessee, Memphis, TN USA
[5] Univ Calif San Francisco, Mission Gastroenterol & Hepatol, San Francisco, CA 94143 USA
[6] Fdn Invest Diego, San Juan, PR USA
[7] Northwestern Univ, Div Gastroenterol & Hepatol, Chicago, IL 60611 USA
[8] Henry Ford Hlth Syst, Detroit, MI USA
[9] Auckland Clin Studies, Auckland, New Zealand