1. Department of Radiation Oncology; Memorial Sloan-Kettering Cancer Center; New York; NY
2. Department of Surgery, Head and Neck Service; Memorial Sloan-Kettering Cancer Center; New York; NY
3. Department of Radiology; Memorial Sloan-Kettering Cancer Center; New York; NY
4. Department of Medicine; Memorial Sloan-Kettering Cancer Center; New York; NY