1. From the Mayo Clinic, Jacksonville, FL; Mayo Clinic, Rochester, MN; Mayo Clinic, Scottsdale, AZ; University of Pittsburgh Cancer Institute, Pittsburgh, PA; The Angeles Clinic and Research Institute, Santa Monica, CA; Indiana University Medical Center Cancer Pavilion, Indianapolis, IN; Dartmouth Hitchcock Medical Center, Lebanon, NH; Oncology Associates of Cedar Rapids, Cedar Rapids, IA; Seattle Cancer Care Alliance, Seattle, WA; and Yale University, New Haven, CT.