1. Department of Anesthesiology and Pain Medicine, The University of Texas M. D. Anderson Cancer Center, Houston, TX.
2. Department of Surgical Oncology, The University of Texas M. D. Anderson Cancer Center, Houston, TX.
3. Department of Gastrointestinal Medical Oncology, The University of Texas M. D. Anderson Cancer Center, Houston, TX.
4. Department of Nursing Administration, The University of Texas M. D. Anderson Cancer Center, Houston, TX.
5. Department of Palliative Care and Rehabilitation Medicine Research, The University of Texas M. D. Anderson Cancer Center, Houston, TX.
6. Departments of Behavioral Science and Palliative Care and Rehabilitation Medicine, The University of Texas M. D. Anderson Cancer Center, Houston, TX.