1. Division of Renal Medicine, Brigham and Women's Hospital, Boston, Massachusetts, USA.
2. Division of Emergency Medicine, Health Partners Institute/Regions Hospital, St. Paul, Minnesota, USA.
3. Department of Surgery, University of Wisconsin, Madison, Wisconsin, USA.
4. Department of Occupational Therapy, Tufts University, Medford, Massachusetts, USA.
5. Department of Community Health, Tufts University, Medford, Massachusetts, USA.
6. Department of Pulmonary and Critical Care Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA.
7. Division of Pulmonary and Critical Care Medicine, Brigham and Women's Hospital, Boston, Massachusetts, USA.
8. Division of Pulmonary and Critical Care Medicine, Johns Hopkins University, Baltimore, Maryland, USA.
9. Department of Psychosocial Oncology and Palliative Care, Dana-Farber Cancer Institute, Boston, Massachusetts, USA.
10. Department of Cardiology, Boston Children's Hospital, Boston, Massachusetts, USA.
11. Department of Medicine, Brigham and Women's Hospital, Boston, Massachusetts, USA.
12. Division of Palliative Care, University Health Network and University of Toronto, Toronto, Ontario, Canada.
13. Department of Medicine, University of California, San Francisco, California, USA.
14. Department of Surgery, Vanderbilt University Medical Center, Nashville, Tennessee, USA.
15. Section of Palliative Care, Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee, USA.
16. Liver Center, Gastrointestinal Division, Massachusetts General Hospital, Boston, Massachusetts, USA.
17. Department of Medicine, Duke University School of Medicine, Durham, North Carolina, USA.