[1] Univ Chicago, Chicago, IL 60637 USA
[2] Duke Clin Res Inst, Durham, NC USA
[3] Univ Texas Hlth, Texas Liver Inst, San Antonio, TX USA
[4] Kansas City Gastroenterol & Hepatol, Kansas City, MO USA
[5] Liver Inst Virginia, Newport News, VA USA
[6] Indiana Univ Sch Med, Indianapolis, IN 46202 USA
[7] Univ Calif San Francisco, San Francisco, CA 94143 USA
[8] Univ Virginia, Charlottesville, VA USA
[9] Northwestern Mem Hosp, Chicago, IL 60611 USA
[10] Gilead Sci, Foster City, CA USA
[11] Inova Fairfax Hosp, Falls Church, VA USA
[12] Univ Calif San Diego, San Diego, CA 92103 USA
[13] Beth Israel Deaconess Med Ctr, Boston, MA 02215 USA
[14] Harvard Med Sch, Boston, MA USA