1. Department of Supportive and Palliative Care, Division of Palliative Care, Roswell Park Comprehensive Cancer Center, Buffalo, New York, USA.
2. Department of Supportive and Palliative Care, Division of Psychiatry, Roswell Park Comprehensive Cancer Center, Buffalo, New York, USA.
3. Department of Psychiatry, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York, USA.