2 Emerging Antibiotic Resistance, Medical and Molecular Microbiology Unit, Department of Medicine, University of Fribourg, Fribourg, Switzerland; INSERM European Unit (LEA Paris), University of Fribourg, Fribourg, Switzerland.
3 Laboratoire Unilab, Coppet, Switzerland.
4 Emerging Antibiotic Resistance, Medical and Molecular Microbiology Unit, Department of Medicine, University of Fribourg, Fribourg, Switzerland; INSERM European Unit (LEA Paris), University of Fribourg, Fribourg, Switzerland; University of Lausanne and University Hospital Centre, Lausanne, Switzerland. Electronic address: [email protected].