1 Dominique G. Stuijt, MD, Department of Medical Oncology, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, the Netherlands, Centre for Human Drug Research, Leiden, the Netherlands; Vasileios Exadaktylos, PhD, Centre for Human Drug Research, Leiden, the Netherlands; Adriaan D. Bins, MD, PhD, Department of Medical Oncology, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, the Netherlands; Jacobus J. Bosch, MD, PhD, Centre for Human Drug Research, Leiden, the Netherlands; and Martijn G.H. van Oijen, PhD Department of Medical Oncology, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, the Netherlands, Cancer Center Amsterdam, Theme Therapy, Amsterdam, the Netherlands.