1. Center for Prostate Disease Research, Department of Defense; Rockville Maryland
2. Henry M. Jackson Foundation for the Advancement of Military Medicine; Bethesda Maryland
3. Uniformed Services University of the Health Sciences, Department of Surgery; Bethesda; Maryland
4. Department of Urology; Walter Reed National Military Medical Center; Bethesda Maryland
5. Virginia Mason Medical Center, Department of Urology; Seattle; Washington