[1] Lausanne Univ Hosp, Inst Microbiol, Lausanne, Switzerland
[2] Univ Lausanne, Rue Bugnon 46, CH-1011 Lausanne, Switzerland
[3] Lausanne Univ Hosp, Ctr Hosp Univ Vaudois, Serv Infect Dis, Rue Bugnon 46, CH-1011 Lausanne, Switzerland
[4] Univ Basel, Div Infect Dis, Basel, Switzerland
[5] Univ Basel, Hosp Epidemiol, Basel, Switzerland
[6] Univ Hosp Basel, Basel, Switzerland
[7] Univ Basel, Div Clin Bacteriol & Mycol, Basel, Switzerland
[8] Clin Luganese Moncucco, Lugano, Switzerland
[9] SYNLAB Suisse SA, Bioggio, Switzerland
[10] Kantonsspital St Gallen, Div Infect Dis, St Gallen, Switzerland
[11] Kantonsspital St Gallen, Hosp Epidemiol, St Gallen, Switzerland
[12] Geneva Univ Hosp, Serv Infect Dis, Geneva, Switzerland
[13] Geneva Univ Hosp, Serv Lab Med, Geneva, Switzerland