1. Department of Pharmacotherapy & Pharmaceutical Care; University Centre for Pharmacy; University of Groningen; Groningen The Netherlands
2. Department of Clinical Pharmacy; Isala Klinieken; Zwolle The Netherlands
3. Department of Haematology; University Medical Centre Groningen; University of Groningen; Groningen The Netherlands
4. Department of Haematology; Medical Centre Leeuwarden; Leeuwarden The Netherlands
5. Department of Clinical Chemistry; Medical Centre Leeuwarden KCL; Leeuwarden The Netherlands
6. Department of Pathology; Pathology Friesland; Leeuwarden The Netherlands
7. Department of Haematology; Antonius Hospital; Sneek The Netherlands
8. Department of Haematology; Nij Smellinghe Hospital; Drachten The Netherlands
9. Department of Haematology; Tjongerschans Hospital; Heerenveen The Netherlands
10. Department of Epidemiology; MCL Academy; Leeuwarden The Netherlands
11. Department of Clinical Pharmacy & Pharmacology; Medical Centre Leeuwarden; Leeuwarden The Netherlands