1. Case Western Reserve University School of MedicineCleveland Ohio
2. Department of Radiation OncologyTaussig Cancer Institute, Cleveland ClinicCleveland Ohio
3. Department of Hematology and Medical OncologyTaussig Cancer Institute, Cleveland ClinicCleveland Ohio
4. Department of Otolaryngology–Head and Neck SurgeryHead and Neck Institute, Cleveland ClinicCleveland Ohio U.S.A.