1 National Reference Centre (NRC) for Staphylococci and Enterococci, Division of Nosocomial Pathogens and Antibiotic Resistances, Department of Infectious Diseases, Robert Koch Institute, Wernigerode Branch, Wernigerode, Germany. Electronic address: wernerg@rki.de.
2 National Reference Centre (NRC) for Staphylococci and Enterococci, Division of Nosocomial Pathogens and Antibiotic Resistances, Department of Infectious Diseases, Robert Koch Institute, Wernigerode Branch, Wernigerode, Germany.
3 Helmholtz Centre for Infection Research, Braunschweig, Germany.
4 Institute for Clinical Hygiene, Medical Microbiology and Clinical Infectiology, University Institute of the Paracelsus Medical Private University, Hospital Nuremberg, Nuremberg, Germany.
5 University of Applied Sciences, Cologne, Germany; Antiinfectives Intelligence, Cologne, Germany.