[1] Gilead Sci, Raleigh, NC USA
[2] Univ Miami, Coral Gables, FL 33124 USA
[3] Univ Auckland, Auckland 1, New Zealand
[4] Fundc Invest, San Juan, PR USA
[5] Texas Liver Inst, San Antonio, TX USA
[6] Henry Ford Hlth Syst, Detroit, MI USA
[7] Christchurch Clin Studies Trust Ltd, Christchurch, New Zealand