1. Division of Palliative Medicine, Department of Medicine, University of California San Francisco, San Francisco, California, USA.
2. Department of Psychiatry, University of California San Francisco, San Francisco, California, USA.
3. Department of Oncology Social Work, University of California San Francisco, San Francisco, California, USA.
4. Department of Psycho-oncology, Helen Diller Family Comprehensive Cancer Center, University of California San Francisco, San Francisco, California, USA.
5. Division of Palliative Care and Geriatric Medicine, Massachusetts General Hospital, Boston, Massachusetts, USA.
6. Division of Geriatrics and Palliative Medicine, Weill Cornell Medicine, New York, New York, USA.
7. Department of Medicine, Section of Palliative Care, Stanford University, Palo Alto, California, USA.
8. Department of Social Work, Palliative Care, Stanford Health Care, Palo Alto, California, USA.
9. Department of Psychiatry and Behavioral Sciences, Memorial Sloan Kettering Cancer Center, New York, New York, USA.