1 Division of Geriatric and Palliative Medicine, Department of Internal Medicine, University of Michigan Medical School, Ann Arbor, MI, USA.
2 Geriatrics Research Education and Clinical Center, Veterans Affairs Ann Arbor Healthcare System, Ann Arbor, MI, USA.
3 Center for Cancer Biostatistics, The University of Michigan, Ann Arbor, MI, USA.
4 Center for Bioethics and Social Sciences in Medicine, University of Michigan, UHB2C490, SPC 5010, 1500 East Medical Center Drive, Ann Arbor, MI, 48109-5010, USA.
5 Department of Psychology, University of Michigan, Ann Arbor, MI, USA.
6 The Fuqua School of Business, Duke University, Durham, NC, USA.
7 Center for Bioethics and Social Sciences in Medicine, University of Michigan, UHB2C490, SPC 5010, 1500 East Medical Center Drive, Ann Arbor, MI, 48109-5010, USA. rjagsi@med.umich.edu.
8 Department of Radiation Oncology, University of Michigan Medical School, Ann Arbor, MI, USA. rjagsi@med.umich.edu.