1. Departments of Pathology and Urology, Johns Hopkins Medical Institutions, Baltimore, Maryland
2. Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, Washington
3. Cancer Biomarkers Research Group, Division of Cancer Prevention, National Cancer Institute, Bethesda, Maryland
4. Division of Urology, Beth Israel Deaconess Medical Center, Boston, Massachusetts
5. Department of Urology, University of Texas Health Science Center at San Antonio, San Antonio, Texas