1. Department of Palliative, Rehabilitation, and Integrative Medicine, University of Texas MD Anderson Cancer Center, Houston, Texas.
2. Subspecialty Palliative Care in Medical Oncology, Banner MD Anderson Cancer Center, Gilbert, Arizona.
3. Department of Pharmacy, University of Texas MD Anderson Cancer Center, Houston, Texas.
4. Department of Biostatistics, University of Texas MD Anderson Cancer Center, Houston, Texas.
5. Department of Internal Medicine, Banner Gateway Medical Center, Gilbert, Arizona.
6. Department of Behavioral Science, University of Texas MD Anderson Cancer Center, Houston, Texas.