[1] Mayo Clin & Mayo Fdn, Dept Oncol & Med, Div Med Oncol, Rochester, MN 55905 USA
[2] Duluth CCOP, Duluth, MN USA
[3] CentraCare Clin, St Cloud, MN USA
[4] Geisinger Med Ctr, Danville, PA 17822 USA
[5] Illinois Oncol Res Assoc, CCOP, Peoria, IL USA
[6] Carle Canc Ctr, CCOP, Urbana, IL USA
[7] Scottsdale CCOP, Scottsdale, AZ USA
[8] Eli Lilly & Co, Indianapolis, IN 46285 USA