1. Department of Physical Therapy and Rehabilitation Science, University of Kansas Medical Center, Kansas City, KS, USA
2. Department of Otolaryngology-Head and Neck Surgery, University of Kansas Medical Center, Kansas City, KS, USA
3. Department of Biostatistics, University of Kansas Medical Center, Kansas City, KS, USA
4. Division of Medical Informatics, University of Kansas Medical Center, Kansas City, KS, USA
5. University of Pittsburgh, School of Health and Rehabilitation Sciences, Pittsburg, PA, USA
6. Department of Rehabilitation Sciences, King Saud University, Riyadh, Saudi Arabia