Sedat Ulkatan1, Maria J Téllez2, Catherine Sinclair3. 1. Department of Intraoperative Neurophysiology, Mount Sinai West Hospital, New York, NY 10019, USA. Electronic address: sulkatan@chpnet.org. 2. Department of Intraoperative Neurophysiology, Mount Sinai West Hospital, New York, NY 10019, USA. 3. Department of Head and Neck Surgery, Mount Sinai West Hospital, New York, NY 10019, USA.