1. CHAllenges in Managing and Preventing Pain Clinical Research Center, University of Pittsburgh, Pittsburgh, Pennsylvania
2. Division of General Internal Medicine, Center for Research on Health Care, University of Pittsburgh, Pittsburgh, Pennsylvania
3. Division of General Internal Medicine, Section of Palliative Care and Medical Ethics, University of Pittsburgh, Pittsburgh, Pennsylvania
4. RAND Corporation, Santa Monica, California
5. Palliative Medicine, Yale University School of Medicine, New Haven, Connecticut
6. Department of Biomedical Engineering, School of Medicine, Oregon Health & Science University, Portland
7. Department of Geriatrics and Palliative Medicine, Center to Advance Palliative Care, Icahn School of Medicine at Mount Sinai, New York, New York
8. Feinberg School of Medicine, Division Hematology-Oncology, Northwestern University, Chicago, Illinois
9. Division of Palliative Care and Geriatric Medicine, Massachusetts General Hospital, Boston