1. Infectious Diseases Section, Department of Diagnostic and Public Health, University of Verona, Verona, Italy
2. Bonn University Hospital, Institute for Hygiene and Public Health, Bonn, Germany
3. Department of Clinical Microbiology, Växjö Central Hospital, Växjö, Sweden
4. Perelman School of Medicine at the University of Pennsylvania, Infectious Diseases Division, The Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
5. National Centre for Infection Control, Israel Ministry of Health and Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
6. Division of Infectious Diseases, Microbiology and Preventive Medicine, Hospital Universitario Virgen Macarena/Department of Medicine, University of Seville/Biomedicine Institute of Seville (IBiS), Seville, Spain
7. Infection Control Program, World Health Organization Collaborating Centre on Patient Safety, Geneva University Hospitals and Faculty of Medicine, Geneva, Switzerland
8. Infectious Diseases, Department of Internal Medicine I, Tübingen University Hospital, Tübingen, Germany
9. German Centre for Infection Research (DZIF), Clinical Research Unit for Healthcare Associated Infections, Tübingen, Germany