1. Department of Pathology, University Medical Center Utrecht, Utrecht, The Netherlands;
2. Department of Internal Medicine, Albert Schweitzer hospital Dordrecht, Dordrecht, The Netherlands;
3. Department of Pharmaceutical Sciences, Division of Pharmacoepidemiology & Clinical Pharmacology, Utrecht University, Faculty of Science, Utrecht, The Netherlands;
4. Department of Hematology, Erasmus Cancer Institute Rotterdam, Rotterdam, The Netherlands;
5. Department of Hematology, University Medical Center Utrecht Cancer Center, Utrecht, The Netherlands