[1] Univ Fribourg, Fac Sci & Med, Med & Mol Microbiol, Fribourg, Switzerland
[2] Univ Fribourg, INSERM European Unit IAME, Fribourg, Switzerland
[3] Univ Fribourg, Swiss Natl Reference Ctr Emerging Antibiot Resist, Fribourg, Switzerland
[4] Univ Lausanne, Inst Microbiol, Lausanne, Switzerland
[5] Univ Hosp Ctr, Lausanne, Switzerland