[1] Indiana Univ, Indianapolis, IN USA
[2] Univ Bordeaux, Bordeaux, France
[3] Univ Hosp Bern, Bern, Switzerland
[4] Newlands Clin, Harare, Zimbabwe
[5] Univ New South Wales, Kirby Inst, Sydney, NSW, Australia
[6] 6Byramjee Jeejeebhoy Govt Med Coll, Pune, Maharashtra, India
[7] SUNY Albany, Albany, NY 12222 USA
[8] Ohio State Univ, Columbus, OH 43210 USA
[9] APHP UPMC Liver Ctr, Paris, France
[10] Fundacao Oswaldo Cruz, Evandro Chagas Natl Inst Infect Dis, Rio De Janeiro, Brazil
[11] Vanderbilt Univ, 221 Kirkland Hall, Nashville, TN 37235 USA
[12] Indiana Univ, Med Ctr, Indianapolis, IN USA
[13] Makerere Univ, Kampala, Uganda