[1] Univ Hosp Bonn, Dept Gen Internal Med 1, Bonn, Germany
[2] AO Osped Niguarda Ca & Apos, Div Infect Dis, Milan, Italy
[3] Fdn Invest, SJB Sch Med, San Juan, PR USA
[4] Mt Sinai Sch Med, New York, NY USA
[5] Gilead Sci Inc, Foster City, CA 94404 USA
[6] Duke Clin Res Inst, Durham, NC USA
[7] Barts Hlth NHS Trust, London, England
[8] Univ Paris 07, Paris, France
[9] St Louis Hosp, Dept Infect Dis, Paris, France
[10] Johns Hopkins Univ, Baltimore, MD USA