1. Harvard Medical School, Boston, MA, USA
2. Division of Palliative Care and Geriatric Medicine, Department of Medicine, Massachusetts General Hospital, Boston, MA, USA
3. Department of Medicine, Brigham and Women’s Hospital, Boston, MA, USA
4. Division of Palliative Medicine, Department of Medicine, Brigham and Women’s Hospital, Boston, MA, USA
5. Department of Psychosocial Oncology and Palliative Care, Dana-Farber Cancer Institute, Boston, MA, USA
6. Section of Palliative Care, Division of General Medicine, Beth Israel Deaconess Medical Center, Boston, MA, USA
7. New England Geriatrics Research Education and Clinical Center, VA Boston Healthcare System, Boston, MA, USA
8. Division of Aging, Brigham and Women’s Hospital, Boston, MA, USA
9. Department of Physical Medicine and Rehabilitation, Spaulding Rehabilitation Hospital, Charlestown, MA, USA
10. Department of Physical Medicine and Rehabilitation, Massachusetts General Hospital, Boston, MA, USA