[1] Univ Hosp Basel, Div Clin Bacteriol & Mycol, Basel, Switzerland
[2] Univ Basel, Dept Biomed, Appl Microbiol Res, Basel, Switzerland
[3] Univ Hosp Basel, Div Infect Dis, Basel, Switzerland
[4] Univ Hosp Basel, Hosp Epidemiol, Basel, Switzerland
[5] Univ Hosp Basel, Div Haematol, Basel, Switzerland