1. School of Speech, Language, Hearing, & Occupational Sciences University of Montana Missoula Montana USA
2. Department of Otolaryngology—Head and Neck Surgery University of Colorado Anschutz Medical Campus Aurora Colorado USA
3. Department of Otolaryngology and Head and Neck Surgery Emory University Atlanta Georgia USA
4. Division of Otolaryngology—Head and Neck Surgery University of Utah Salt Lake City Utah USA
5. Department of Speech, Language, and Hearing Sciences Auburn University Auburn Alabama USA
6. Department of Biology, Medical and Health Sciences The University of Manchester Manchester UK
7. Department of Medical and Health Sciences, The University of Manchester Manchester University NHS Foundation Trust Manchester UK
8. School of Medicine and Public Health University of Newcastle Newcastle New South Wales Australia
9. Department of Anatomy and Physiology University of Melbourne Melbourne Australia