1. From the Lineberger Comprehensive Cancer Center, University of North Carolina (DKO), Chapel Hill, North Carolina, Department of Urology, Louisiana State University (WR), New Orleans, Louisiana, and Clinical Proteomics Program, Food and Drug Administration/National Institutes of Health (VAF, TPC, SJR, TDV, LAL, EFP) and Correlogic Systems (BAH, WWW), Bethesda, Maryland