1. Division of Infectious Diseases and Hospital Epidemiology, and Department of Clinical Research, University Hospital Basel and University of Basel, Switzerland
2. Service d’hygiène hospitalière, Hôpitaux Universitaires de Strasbourg, France
3. Medical Centre - University of Freiburg, Institute for Infection Prevention and Hospital Epidemiology, Freiburg, Germany
4. Heidelberg University Hospital, Centre for Infectious Diseases, Heidelberg, Germany
5. University of Strasbourg and CHRU Strasbourg, Laboratory of Bacteriology and UR 7290 ITI InnoVec, Fédération de Médecine Translationnelle de Strasbourg, Institute of Bacteriology, Strasbourg, France
6. Medical Centre - University of Freiburg, Institute for Infection Prevention and Hospital Epidemiology, Freiburg, Germany / Bonn University Hospital, Institute for Hygiene and Public Health, Bonn, Germany