1. Section of Palliative Care, Division of General Medicine and Primary Care, Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, USA.
2. Harvard Medical School, Boston, Massachusetts, USA.
3. Mayo Clinic Center for Palliative Medicine, Rochester, Minnesota, USA.
4. Palliative Care Program, Department of Medicine, Johns Hopkins Bayview Medical Center, Baltimore, Maryland, USA.
5. Patient and Family Support Program at the Samuel Oschin Comprehensive Cancer Institute, Cedars-Sinai Medical Center, Los Angeles, California, USA.
6. Department of Physical Medicine and Rehabilitation, Carolinas Rehabilitation, Charlotte, North Carolina, USA.
7. Department of Supportive Care, Levine Cancer Institute, Charlotte, North Carolina, USA.
8. Department of Physical Medicine and Rehabilitation, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA.