Affiliation: | 1. Department of Radiation Oncology, University Hospitals Case Medical Center, Seidman Cancer Hospital, Cleveland, Ohio;2. Department of Otolaryngology – Head and Neck Surgery, University Hospitals Case Medical Center, Seidman Cancer Hospital, Cleveland, Ohio;3. Department of Epidemiology and Biostatistics, Case Western Reserve University School of Medicine, Cleveland, Ohio;4. Department of Internal Medicine (Medical Oncology), University Hospitals Case Medical Center, Seidman Cancer Hospital, Cleveland, Ohio;5. Department of Pathology, University Hospitals Case Medical Center, Seidman Cancer Hospital, Cleveland, Ohio |