[1] Univ Copenhagen, Dept Infect Dis, Univ Copenhagen Hosp,Sect 2100, Rigshosp,CHIP,Finsenctr, Blegdamsvej 9, DK-2100 Copenhagen O, Denmark
[2] Univ Bonn, Dept Med, Bonn, Germany
[3] Univ Hosp Bern, Dept Infect Dis, CH-3010 Bern, Switzerland
[4] Univ Bern, Bern, Switzerland
[5] Univ Barcelona, Infect Dis Serv, Hosp Clin, Barcelona, Spain
[6] Hosp Niguarda Ca Granda, Dept Infect Dis, Milan, Italy
[7] Chelsea & Westminster Hosp NHS Fdn Trust, HIV Directorate, London, England
[8] Hannover Med Sch, Clin Immunol & Rheumatol, Hannover, Germany
[9] Univ Basel Hosp, Div Infect Dis, CH-4031 Basel, Switzerland
[10] Univ Basel Hosp, Hosp Epidemiol, CH-4031 Basel, Switzerland