1. Department of Medicine, Stanford University, Stanford, CA
2. Veterans Affairs Palo Alto Health Care System, Palo Alto, CA
3. VA National TeleOncology, Durham, NC
4. Department of Medicine and Duke Cancer Institute, Duke University, Durham, NC
5. Durham Veterans Affairs Health Care System, Durham, NC
6. University of Pittsburgh School of Medicine, Pittsburgh, PA
7. Veterans Affairs Pittsburgh Healthcare System, Pittsburgh, PA
8. National Oncology Program, Department of Veterans Affairs, Washington, DC