1. Department of Otolaryngology – Head and Neck Surgery Indiana University Indianapolis Indiana USA
2. Department of Otolaryngology – Head and Neck Surgery University of Michigan Health System Ann Arbor Michigan USA
3. Department of Medicine University of Chicago Chicago Illinois USA
4. Department of Radiation Oncology White Plains Hospital White Plains New York USA
5. Department of Medical Oncology University of Michigan Health System Ann Arbor Michigan USA
6. Department of Radiation Oncology University of Michigan Health System Ann Arbor Michigan USA
7. Department of Otolaryngology University of Toronto Toronto Ontario Canada