[1] MAYO CLIN & MAYO FDN, DIV BIOSTAT, ROCHESTER, MN 55905 USA
[2] MAYO CLIN & MAYO FDN, DIV RADIAT ONCOL, ROCHESTER, MN 55905 USA
[3] ST LUKES HOSP, COMMUNITY CLIN ONCOL PROGRAM, FARGO, ND USA
[4] DULUTH CLIN, COMMUNITY CLIN ONCOL PROGRAM, DULUTH, MN USA
[5] ILLINOIS ONCOL RES ASSOC, COMMUNITY CLIN ONCOL PROGRAM, PEORIA, IL USA
[6] IOWA ONCOL RES ASSOC, COMMUNITY CLIN ONCOL PROGRAM, DES MOINES, IA USA
[7] METHODIST MED CTR ILLINOIS, DEPT PATHOL, PEORIA, IL USA
[8] SIOUX FALLS COMMUNITY CANC CONSORTIUM, COMMUNITY CLIN ONCOL PROGRAM, SIOUX FALLS, SD USA
[9] CREIGHTON UNIV, OMAHA, NE 68178 USA
[10] BILLINGS CLIN, BILLINGS, MT USA