1. Department of Psychiatry, Dalhousie University, Capital District Health Authority, Halifax, Nova Scotia, Canada.
2. Department of Internal Medicine, Annapolis Valley District Health Authority, Annapolis Valley Health Palliative Care Program, Nova Scotia, Canada.
3. The Institute for Palliative Medicine at San Diego Hospice, San Diego, California.
4. University of California, San Diego Psychiatry & Psychosocial Services, Patient & Family Support Services, Moores Cancer Center, San Diego, California.