1. Faculty of Medicine, University of Ottawa, Ottawa, ON, Canada
2. Department of Otolaryngology—Head and Neck Surgery, University of Toronto, Toronto, ON, Canada
3. Division of Pediatric Surgery, Children’s Hospital at London Health Sciences Center, Schulich School of Medicine, London, ON, Canada
4. Department of Otolaryngology—Head and Neck Surgery, Children’s Hospital at London Health Sciences Center, Schulich School of Medicine, London, ON, Canada