1. Swiss Centre for Antibiotic Resistance (ANRESIS), Institute for Infectious Diseases, University of Bern, Bern, Switzerland
2. Infection Prevention and Control Unit, Infectious Diseases Service, Lausanne University Hospital, Lausanne, Switzerland
3. Deputy Cantonal Doctor, Public Health Department, Canton of Vaud, Lausanne, Switzerland
4. Control of Antimicrobial Resistance Programme, World Health Organization Regional Office for Europe, Copenhagen, Denmark
5. Division of Infectious Diseases and Hospital Epidemiology, University Hospital Zurich, Zurich, Switzerland