1. Department of Family and Preventive Medicine, Division of Palliative and Supportive Care, Emory University, Atlanta, Georgia, USA.
2. Division of Endocrinology, Department of Medicine, Emory University, Atlanta, Georgia, USA.
3. Department of Psychiatry and Behavioral Sciences, Memorial Sloan Kettering Cancer Center, New York, New York, USA.
4. Division of Palliative and Supportive Care, Department of Family and Preventive Medicine, Emory University, Atlanta, Georgia, USA.