1. From the Mayo Clinic College of Medicine and Mayo Foundation, Rochester, MN; Scottsdale CCOP, Scottsdale, AZ; Carle Cancer Center CCOP, Urbana, IL; Metro-Minnesota Community Clinical Oncology Program, St Louis Park, MN; Iowa Oncology Research Association CCOP, Des Moines, IA; Wichita Community Clinical Oncology Program, Wichita, KS; and Hematology & Oncology of Dayton Inc, Dayton, OH