1. Division of Otolaryngology Head and Neck Surgery, Vancouver General Hospital; University of British Columbia, Gordon & Leslie Diamond Health Care Centre; Vancouver British Columbia Canada
2. Department of Otolaryngology, The Icahn School of Medicine at Mount Sinai; The Mount Sinai Medical Center, Mount Sinai School of Medicine; New York New York
3. Department of Otolaryngology - Head and Neck Surgery; The Icahn School of Medicine at Mount Sinai, Head Neck and Thyroid Center, The Mount Sinai Medical Center; New York New York