[1] Queen Mary Univ London, London, England
[2] Natl Inst Infect Dis, Lazzaro Spallanzani, Rome, Italy
[3] Univ Hosp Bonn, Bonn, Germany
[4] Hosp Ramon & Cajal, Madrid, Spain
[5] Res Inst Springfield, Springfield, MO USA
[6] Univ Paris, Paris, France
[7] San Raffaele Hosp Milan, Milan, Italy
[8] Azienda Osped Papa Giovanni XXIII, Bergamo, Italy
[9] AP HP Hop Bichat, Paris, France
[10] Gilead Sci Inc, Foster City, CA USA
[11] Chelsea & Westminster Hosp, London, England