[1] Self Screen BV, Amsterdam, Netherlands
[2] CHU Vaudois, Inst Microbiol, Lausanne, Switzerland
[3] Univ Lausanne, Lausanne, Switzerland
[4] Vrije Univ Amsterdam, Med Ctr, Dept Epidemiol & Biostat, Amsterdam, Netherlands
[5] Vrije Univ Amsterdam, Med Ctr, Dept Pathol, de Boelelaan 1117, NL-1081 HV Amsterdam, Netherlands