1. Department of Medical Oncology, Erasmus MC Cancer Institute, Doctor Molewaterplein 40, P.O. Box 2040, 3000CA Rotterdam, The Netherlands
2. Department of Medical Oncology, Erasmus MC Cancer Institute, Rotterdam, The Netherlands
3. Department of Internal Medicine, IJsselland Hospital, Capelle aan den IJssel, The Netherlands
4. Department of Internal Medicine, Franciscus Gasthuis & Vlietland, Schiedam, The Netherlands
5. Department of Clinical Chemistry, Erasmus University Medical Center, Rotterdam, The Netherlands
6. Department of Medical Oncology, Erasmus MC Cancer Institute, Rotterdam, The NetherlandsDepartment of Hospital Pharmacy, Erasmus University Medical Center, Rotterdam, The Netherlands