1. Department of Otolaryngology – Head and Neck Surgery, Vanderbilt University Medical Center, 1215 21st Avenue South, Nashville, TN 37232, USA
2. Department of Hearing and Speech Sciences, Vanderbilt University Medical Center, 1215 21st Avenue South, Nashville, TN 37232, USA
3. Department of Electrical Engineering & Computer Science, Vanderbilt University, 2201 West End Avenue, Nashville, TN 37235, USA
4. Department of Otolaryngology – Head and Neck Surgery, Medical University of South Carolina, 135 Rutledge 135 Rutledge Avenue, MSC 550, Charleston, SC 29425, USA