1. Department of Otolaryngology-Head and Neck Surgery; University of Michigan; Ann Arbor Michigan
2. Midwest ENT Specialists; Woodbury Minnesota
3. Department of Radiation Oncology; University of Michigan; Ann Arbor Michigan
4. Department of Radiation Oncology; Emory University; Atlanta Georgia
5. Department of Medical Oncology; University of Michigan; Ann Arbor Michigan
6. Department of Otolaryngology-Head and Neck Surgery; University of Toronto; Toronto Ontario Canada