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