[1] Univ Hosp Geneva, Gen Res Lab, Infect Dis Serv, CH-1211 Geneva 14, Switzerland
[2] Univ Hosp Geneva, Clin Microbiol Lab, Infect Dis Serv, CH-1211 Geneva 14, Switzerland
[3] Fdn Rech Med, Geneva, Switzerland
[4] Ctr Med Univ Geneva, Fac Med, Comp Unit, Geneva, Switzerland
[5] Zeptosens Div Bayer AG Schweiz, Witterswil, Switzerland