1. Center for Palliative Studies, San Diego Hospice & Palliative Care, San Diego, California
2. Palliative Care Center and Hospice of the North Shore, Evanston, Illinois
3. Horizon Hospice, Chicago, Illinois
4. Division of General Internal Medicine, Feinberg School of Medicine, Northwestern University, Chicago, Illinois
5. Buehler Center on Aging, Feinberg School of Medicine, Northwestern University, Chicago, Illinois
6. Division of Psychology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois