1. Head & Neck Surgical Associates, 1 Burnside Dr., Wichita Falls, TX 76310, USA
2. University of North Texas, 1155 Union Circle #305010 Denton, TX 76203, USA
3. Auditory Implant Initiative, 1 Burnside Dr., Wichita Falls, TX 76310, USA
4. Midwestern State University, 3410 Taft Blvd., Wichita Falls, TX 76308, USA