1. Population Health Sciences, Duke University School of Medicine, Durham NC, USA
2. Margolis Center for Health Policy, Duke University, Durham NC, USA
3. Durham VA HSR&D
4. Kern Center for the Science of Health Care Delivery Research, Mayo Clinic, Rochester, MN, USA
5. Department of Community Internal Medicine Geriatrics, Palliative Care Mayo Clinic, Rochester, MN, USA
6. Department of Palliative Medicine, Mayo Clinic, Rochester, MN, USA
7. Center for Care Delivery & Outcomes Research, Minneapolis Veterans Affairs Health Care System, Minneapolis, MN, USA
8. Department of Medicine, University of Minnesota, Minneapolis, MN, USA
9. Division of Biomedical Statistics and Informatics, Mayo Clinic, Rochester, MN, USA
10. Division of Health Care Delivery Research, Mayo Clinic, Rochester, MN, USA