1. Emerging Antibiotic Resistance Unit, Medical and Molecular Microbiology, National Reference Center for Emerging Antibiotic Resistance (NARA), Fribourg, Switzerland
2. INSERM European Unit, LEA/IAME Paris, France
3. Department of Medicine, Faculty of Science, University of Fribourg, Fribourg, Switzerland
4. ADMED Microbiologie, 2300 La Chaux-de-Fonds, Switzerland
5. Médecine Interne, Hôpital du Jura Bernois, 2610 St-Imier, Switzerland
6. Institute of Microbiology, University of Lausanne and University Hospital Center, Lausanne, Switzerland