1. Urologic Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland
2. Departments of Urology and Oncology, University of Western Ontario, London, Ontario, Canada
3. Molecular Genetics Laboratory, Department of Pathology and Laboratory Medicine, Abramson Research Center, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania
4. Laboratory of Pathology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland
5. Basic Science Program, SAIC-Frederick, Inc., Frederick National Laboratory for Cancer Research, Frederick, Maryland
6. Program in Reproductive and Adult Endocrinology, Eunice Kennedy Shriver National Institute of Child Health and Development, National Institutes of Health, Bethesda, Maryland