1. Department of Hospital Pharmacy Haaglanden Medical Center The Hague The Netherlands
2. Department of Hospital Pharmacy Erasmus University Medical Center Rotterdam The Netherlands
3. Department of Medical Microbiology and Infectious Diseases Erasmus University Medical Center Rotterdam The Netherlands
4. Department of Medical Microbiology Haaglanden Medical Centre The Hague The Netherlands
5. Department of Intensive Care Erasmus University Medical Center Rotterdam The Netherlands
6. Department of Intensive Care Maasstad Hospital Rotterdam The Netherlands