1. From the Mayo Clinic, Jacksonville, FL; Mayo Clinic, Rochester, MN; Sidney Kimmel Cancer Center at Johns Hopkins, Baltimore, MD; Indiana University Cancer Center, Indianapolis, IN; Dartmouth Hitchcock Medical Center, Lebanon, NH; Memorial Sloan-Kettering Cancer Center, New York, NY; Cancer Institute Medical Group, Santa Monica, CA; University of Washington, Seattle, WA; Cancer Center of Kansas, Wichita, KS; Dana Farber Cancer Institute, Boston, MA; BC Cancer Agency, Vancouver, BC, Canada