[1] Univ Modena & Reggio Emilia, Modena, Italy
[2] Natl Inst Infect Dis L Spallanzani, Rome, Italy
[3] UCL, London, England
[4] Ctr Hosp, Dept Infect Dis, Lisbon, Portugal
[5] UNAIDS, Geneva, Switzerland
[6] EATG, Athens, Greece
[7] EATG, Budapest, Hungary
[8] Ege Univ, Izmir, Turkey
[9] Med Univ Warsaw, Warsaw, Poland
[10] Hosp Infect Dis, Warsaw, Poland
[11] St Antoine Hosp, Paris, France
[12] Univ Copenhagen, Rigshosp, Copenhagen, Denmark
[13] EATG, Lisbon, Portugal
[14] Victor Babes Hosp, Bucharest, Romania
[15] Univ Basel Hosp, Basel, Switzerland
[16] Univ Milan, Milan, Italy