1. Section of Palliative Care and Medical Ethics, Division of General Internal Medicine, Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania2Center of Research on Health Care, Division of General Internal Medicine, Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania3Department of Health Policy and Management, Gillings School of Global Public Health, University of North Carolina at Chapel Hill
2. Center of Research on Health Care, Division of General Internal Medicine, Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania
3. Department of Biostatistics, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, Pennsylvania
4. School of Nursing, University of Alabama at Birmingham
5. Department of Health Policy and Management, Gillings School of Global Public Health, University of North Carolina at Chapel Hill
6. Health Sciences Library System, University of Pittsburgh, Pittsburgh, Pennsylvania
7. Department of Supportive Care, University Health Network, Toronto, Ontario, Canada8Department of Medicine, University of Toronto, Toronto, Ontario, Canada
8. College of Science, Virginia Tech, Blacksburg
9. Section of Palliative Care and Medical Ethics, Division of General Internal Medicine, Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania2Center of Research on Health Care, Division of General Internal Medicine, Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania
10. Division of Endocrinology, Department of Medicine, University of Pittsburgh, Pittsburgh