[1] Gilead Sci Inc, Durham, NC 27707 USA
[2] Chang Gung Univ, Chang Gung Mem Hosp, Coll Med, Liver Res Unit, Taipei, Taiwan
[3] Chang Gung Univ, Chang Gung Mem Hosp, Coll Med, Kaohsiung Med Ctr,Dept Internal Med, Kaohsiung, Taiwan
[4] Ege Univ, Tip Fak Hastanesi, Izmir, Turkey
[5] Hippokrateion Hosp, Athens, Greece
[6] Toronto Gen Hosp, Toronto, ON, Canada
[7] Natl Chen Kun Univ Hosp, Tainan, Taiwan
[8] Hosp Infect Dis, Warsaw, Poland
[9] Virginia Mason Med Ctr, Seattle, WA 98101 USA
[10] Gordon & Leslie Diamond Ctr, Vancouver, BC, Canada
[11] Hosp Gen Univ Vall dHebron, Barcelona, Spain
[12] Hosp La Fe, E-46009 Valencia, Spain
[13] Klinikum Berlin, Berlin, Germany
[14] Gilead Sci, Durham, NC USA
[15] Univ Miami, Sch Med, Miami, FL USA