1. Department of Psychosocial Oncology and Palliative Care, Dana-Farber Cancer Institute, Boston, Massachusetts.
2. Department of Biostatistics and Computational Biology, Dana-Farber Cancer Institute, Boston, Massachusetts.
3. Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts.
4. Department of Quality Improvement, Dana-Farber Cancer Institute, Boston, Massachusetts.
5. Department of Palliative Care, Butler Health System, Butler, Pennsylvania.