1. C. Louwrens Braal, PharmD, Erasmus University Medical Center, Rotterdam, the Netherlands; Jos H. Beijnen, PhD, The Netherlands Cancer Institute-Antoni van Leeuwenhoek, Amsterdam, the Netherlands, and Utrecht University, Utrecht, the Netherlands; Stijn L.W. Koolen, PhD, PharmD and Esther Oomen-de Hoop, PhD, Erasmus University Medical Center, Rotterdam, the Netherlands; Neeltje Steeghs, MD, PhD, The Netherlands Cancer Institute-Antoni van Leeuwenhoek, Amsterdam, the Netherlands; Agnes Jager, MD, PhD,...