[1] MAYO CLIN & MAYO FDN,DEPT UROL,ROCHESTER,MN 55905
[2] GEISINGER MED CTR,CLIN ONCOL PROGRAM,DANVILLE,PA
[3] IOWA ONCOL RES ASSOC,COMMUNITY CLIN ONCOL PROGRAM,DES MOINES,IA
[4] SIOUX COMMUNITY CANC CONSORTIUM,SIOUX FALLS,SD
[5] UNIV NEBRASKA,CREIGHTON UNIV,MED CTR & ASSOCIATES,NEBRASKA ONCOL GRP,OMAHA,NE