1. Division of Medical Oncology, University of Colorado, School of Medicine, University of Colorado Cancer Center, Aurora
2. Statistical Center, Fred Hutchinson Cancer Research Center, Seattle, Washington
3. Departments of Medicine and Urology, University of Michigan Comprehensive Cancer Center, Ann Arbor
4. Department of Medicine, Huntsman Cancer Institute at the University of Utah, Salt Lake City
5. Departments of Medicine and Molecular and Cellular Biology, Baylor College of Medicine, Houston, Texas
6. Department of Medicine, Yale Cancer Center, New Haven, Connecticut
7. Department of Oncology, Karmanos Cancer Institute, Wayne State University, Detroit, Michigan
8. Department of Urology, The University of Texas Health Science Center at San Antonio