1. Institute for Reconstructive Sciences in Medicine, Misericordia Community Hospital, Edmonton, Alberta, Canada
2. Department of Communication Sciences and Disorders, Faculty of Rehabilitation Medicine, University of Alberta, Edmonton, Alberta, Canada
3. Stanford University School of Medicine, Stanford, California
4. School of Public Health, University of Alberta, Edmonton, Alberta, Canada
5. Faculty of Medicine and Dentistry, Division of Otolaryngology–Head and Neck Surgery, University of Alberta, Edmonton, Alberta, Canada