1 Division of Palliative Care and Geriatric Medicine (B.R.D.), Massachusetts General Hospital, Boston, Massachusetts, USA. Electronic address: [email protected].
2 Great Plains Tribal Leaders Health Board (T.D., G.J.), Rapid City, South Dakota, USA.
3 Emory University (A.S.), Atlanta, Georgia, USA.
4 Department of Medicine (S.P.), Massachusetts General Hospital, Boston, Massachusetts, USA.
5 Walking Forward, Avera Research Institute, Avera Health (M.S.), Rapid City, South Dakota, USA.
6 American Indian Health Initiative, Avera Health (J.R.L.), Sioux Falls, South Dakota, USA.
7 Department of Radiation Oncology (D.P.), Monument Health Cancer Care Institute, Walking Forward, Avera Research Institute, Avera Health, Rapid City, South Dakota, USA.
8 Vagelos College of Physicians and Surgeons (K.A.), Columbia University, New York, New York, USA.
9 College of Nursing (M.J.I), South Dakota State University, Rapid City, South Dakota, USA.