1. Palliative Care, Benavides Cancer Institute, University of Santo Tomas Hospital, Manila, Philippines.
2. Radiation Oncology, Benavides Cancer Institute, University of Santo Tomas Hospital, Manila, Philippines.
3. Symptom Research, University of Texas MD Anderson Cancer Center, Houston, Texas.
4. Cancer Epidemiology and Research, Benavides Cancer Institute, University of Santo Tomas Hospital, Manila, Philippines.
5. Anesthesiology and Critical Care, University of Texas MD Anderson Cancer Center, Houston, Texas.
6. Department of Emergency Medicine, University of Texas MD Anderson Cancer Center, Houston, Texas.