1. Department of Otolaryngology - Head and Neck Surgery, Division of Head and Neck Oncology, University of Toronto; Sunnybrook Health Sciences Centre and the Odette Cancer Centre; Toronto Ontario Canada
2. Department of Otolaryngology - Head and Neck Surgery; Henry Ford Health System; Detroit Michigan
3. Department of Otolaryngology - Head and Neck Surgery, Division of Head and Neck Oncology, Ohio State University; James Cancer Centre and Solove Research Institute; Columbus Ohio