1. Department of Psychosocial Oncology and Palliative Care, Dana-Farber Cancer Institute, Boston, Massachusetts, USA.
2. Department of Psychiatry, Brigham and Women's Hospital, and Harvard Medical School, Boston, Massachusetts, USA.
3. Survey and Data Management Core, Dana-Farber Cancer Institute, Boston, Massachusetts, USA.
4. Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA.
5. Department of Medicine, Brigham and Women's Hospital, and Harvard Medical School, Boston, Massachusetts, USA.