1. Division of Hematology/Oncology, Mayo Clinic, Phoenix, Arizona
2. Heartland Cancer Research NCI Community Oncology Research Program, Missouri Baptist Medical Center, St Louis
3. Mayo Clinic Libraries, Mayo Clinic, Phoenix, Arizona
4. Mayo Clinic Cancer Center, Mayo Clinic, Jacksonville, Florida
5. Mayo Clinic Cancer Center, Mayo Clinic, Rochester, Minnesota
6. Evidence-based Practice Center, Mayo Clinic, Rochester, Minnesota