1. Department of Psychiatry and Behavioral Sciences, Memorial Sloan Kettering Cancer Center, New York, NY, USA
2. Department of Psychiatry and Neurobehavioral Sciences, University of Virginia, Charlottesville, VA, USA
3. Departments of Psychology and Oncology, Memorial University, St. John's, NL, Canada
4. Department of Psychiatry, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA
5. Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, USA