1. Antiinfectives Intelligence GmbH, Cologne, Germany.
2. Rheinische Fachhochschule Köln gGmbH, Cologne, Germany.
3. Institute of Medical Microbiology and Infection Control, University Hospital Frankfurt, Frankfurt am Main, Germany.
4. Department of Medical Microbiology, German National Reference Centre for Multidrug-Resistant Gram-Negative Bacteria, Ruhr-University Bochum, Bochum, Germany.
5. Faculty of Medicine, Institute for Medical Microbiology, Immunology and Hygiene, University Hospital Cologne, University of Cologne, Cologne, Germany.