1. Department of Radiation Oncology, Mayo Clinic, Scottsdale, Arizona
2. Department of Otolaryngology–Head and Neck Surgery/Audiology, Mayo Clinic Hospital, Phoenix, Arizona
3. Department of Radiation Oncology, Mayo Clinic, Rochester, Minnesota
4. medical student at Midwestern University, Phoenix, Arizona
5. Division of Health Sciences Research, Mayo Clinic, Scottsdale, Arizona
6. Department of Radiation Oncology, Mayo Clinic, Jacksonville, Florida