1. Department of Hospital Pharmacy, Tjongerschans Hospital, Heerenveen, The Netherlands
2. Department of Pharmacotherapy-Epidemiology and Economy, Faculty Pharmacy, University of Groningen, Groningen, The Netherlands
3. Department of Clinical Pharmacy, Medical Centre Leeuwarden, Leeuwarden, The Netherlands
4. Department of Emergency Medicine, Medical Center Leeuwarden, Leeuwarden, The Netherlands
5. Department of Haematology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands