1. Department of Radiation Oncology, University of Michigan, Ann Arbor2Center for Bioethics and Social Science in Medicine, Ann Arbor
2. Center for Cancer Biostatistics, University of Michigan School of Public Health, Ann Arbor
3. McLaren Northern Michigan, Petoskey
4. Henry Ford Hospital, Detroit, Michigan
5. 21st Century Oncology, Detroit, Michigan
6. Beaumont Health System, Royal Oak, Michigan
7. Department of Radiation Oncology, University of Michigan, Ann Arbor