1. Division of Medical Oncology, Department of Medicine, Duke University Medical Center, Durham, North Carolina.
2. Duke Comprehensive Cancer Center, Duke University Medical Center, Durham, North Carolina.
3. Division of Extramural Activities, National Institute of Nursing Research, National Institutes of Health, Bethesda, Maryland.
4. Health Outcomes Group, Memorial Sloan-Kettering Cancer Center, New York, New York.
5. Four Seasons, Flat Rock, North Carolina.
6. Department of Symptom Research, Division of Internal Medicine, University of Texas, M.D. Anderson Cancer Center, Houston, Texas.
7. Department of Palliative and Supportive Services, Division of Medicine, Flinders University, Bedford Park, South Australia, Australia.
8. Southern Adelaide Palliative Services, Repatriation General Hospital, Daw Park, South Australia, Australia.
9. Department of Biostatistics and Informatics, Colorado School of Public Health, Aurora, Colorado.
10. Division of Geriatrics, University of North Carolina-Chapel Hill, Chapel Hill, North Carolina.
11. Palliative Care and Home Hospice Program, Feinberg School of Medicine, Northwestern University, Chicago, Illinois.
12. Division of General Internal Medicine, Massachusetts General Hospital, Boston, Massachusetts.
13. San Diego Hospice and The Institute for Palliative Medicine, San Diego, California.
14. Mount Sinai School of Medicine, New York, New York.
15. Division of Nursing Research and Education, City of Hope National Medical Center, Duarte, California.
16. Palliative Care Program, Division of Hospital Medicine, Department of Medicine, University of California, San Francisco, California.
17. Department of Pain Medicine and Palliative Care, Beth Israel Medical Center, New York, New York.
18. Birmingham-Atlanta VA Geriatric Research Education and Clinical Center and the Division of Gerontology, Geriatrics, and Palliative Care, University of Alabama at Birmingham, Birmingham, Alabama.
19. Divisions of Respirology and Palliative Medicine, Department of Medicine, Dalhousie University, Halifax, Nova Scotia, Canada.
20. Division of General Internal Medicine, Department of Medicine, University of Colorado Denver School of Medicine, Denver, Colorado.