1. Division of Otolaryngology Head & Neck Surgery Division of Pediatric Surgery Department of Surgery University of Alberta Edmonton Alberta Canada
2. Faculty of Medicine & Dentistry University of Alberta Edmonton Alberta Canada
3. Bobby R. Alford Department of Otolaryngology Head and Neck Surgery Baylor College of Medicine Texas Children’s Hospital Houston TX USA
4. Pediatric Otolaryngology Division of Otolaryngology‐Head & Neck Surgery Department of Surgery Dalhousie University Halifax Nova Scotia Canada