1. Department of Internal Medicine, University of Michigan, Ann Arbor
2. SWOG Cancer Research Network Statistics and Data Management Center, Fred Hutchinson Cancer Center, Seattle, Washington
3. Public Health Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, Washington
4. School of Dentistry, University of Michigan, Ann Arbor
5. University of Washington School of Dentistry, Seattle
6. Clinical Program Specialists, Legacy Good Samaritan Hospital, Portland, Oregon
7. Heartland NCORP (National Cancer Institute Community Oncology Research Program)/Cancer Care Specialists of Illinois, Swansea
8. Wichita NCORP/Cancer Center of Kansas, Wichita
9. Cancer Care Specialists of Illinois, Decatur
10. Department of General Oncology, Division of Cancer Medicine, MD Anderson Cancer Center, Houston, Texas
11. Columbia University Medical Center, New York, New York
12. University of Washington, Seattle, Cancer Care Alliance, Seattle