Authors' Affiliations: Departments of 1Medical Oncology, 2Physiology, and 3Rheumatology, VU University Medical Center, Amsterdam; 4Department of Internal Medicine, St. Elisabeth Hospital, Tilburg, the Netherlands; 5The Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University, Baltimore, Maryland; 6The Fred Wyszkowski Cancer Research Laboratory, Department of Biology, Technion-Israel Institute of Technology, Haifa, Israel; and 7Genitourinary Program, Roswell Park Cancer Institute, Buffalo, New York (At 2011-11-30)