1. Department of Medicine, Roswell Park Cancer Institute, Buffalo, New York.
2. Medical Oncology Unit, Department of Internal Medicine, Ramathibodi Hospital, Mahidol University, Bangkok, Thailand.
3. Department of Biostatistics and Bioinformatics, Roswell Park Cancer Institute, Buffalo, New York.
4. The Center for Hospice & Palliative Care, Cheektowaga, New York.
5. Michael E. DeBakery VA Medical Center, Houston, Texas.