1. Division of Palliative Care and Geriatric Medicine, Mongan Institute Center for Aging and Serious Illness, Massachusetts General Hospital, Boston, Massachusetts, USA.
2. MD-PhD Program, Michigan State University, East Lansing, Michigan, USA.
3. Harvard Medical School, Boston, Massachusetts, USA.
4. Center for Health Outcomes and Interdisciplinary Research, Department of Psychiatry, Massachusetts General Hospital, Boston, Massachusetts, USA.