1. Division of Hematology/Oncology; Department of Medicine, University of North Carolina; Chapel Hill North Carolina
2. University of North Carolina Lineberger Comprehensive Cancer Center; Chapel Hill North Carolina
3. Biostatistics and Clinical Data Management Core; University of North Carolina Lineberger Comprehensive Cancer Center; Chapel Hill North Carolina
4. Urologic Oncology Program; Department of Urology, University of North Carolina; Chapel Hill North Carolina