1. Center for Clinical Management Research, VA Ann Arbor Healthcare System, and University of Michigan Medical School, Ann Arbor, Michigan (C.H.C.)
2. Albert Einstein College of Medicine, Bronx, New York (C.B.S.)
3. Georgetown University Medical Center and Georgetown Lombardi Comprehensive Cancer Center, Washington, DC (C.J.C., J.S.M.)
4. Carbone Cancer Center, University of Wisconsin-Madison, Madison, Wisconsin (A.T., R.E.G.)
5. Center for Bioethics and Social Sciences in Medicine, University of Michigan Medical School, Ann Arbor, Michigan (R.J.).