1. Department of Medical Microbiology, Radboud University Medical Center, Nijmegen, The Netherlands
2. Department of Medical Microbiology & Infectious Diseases, Erasmus Medical Center, Rotterdam, The Netherlands
3. Department of Medical Microbiology and Infectious Diseases, Canisius Wilhelmina Hospital, Nijmegen, The Netherlands
4. Clinical Pharmacy and Toxicology, Leiden University Medical Center, Leiden, The Netherlands