| Affiliation: | 1. Faculty of Medicine and Dentistry, University of Alberta Hospitals & Stollery Children''s Hospital, Edmonton, Alberta, Canada;2. Divisions of Otolaryngology & Pediatric Surgery, Department of Surgery, University of Alberta Hospitals & Stollery Children''s Hospital, Edmonton, Alberta, Canada;3. Division of Pediatric Pulmonology, Department of Pediatrics Edmonton, University of Alberta Hospitals & Stollery Children''s Hospital, Edmonton, Alberta, Canada;4. Pediatric Otolaryngology, University of Alberta Hospitals & Stollery Children''s Hospital, Edmonton, Alberta, Canada;1. Craniofacial Surgery Unit, Division of Plastic Surgery, Department of Surgery, Faculty of Medicine, Universidade de São Paulo (USP), Sao Paulo, Brazil;2. Institute of Plastic and Craniofacial Surgery, SOBRAPAR Hospital, Campinas, Sao Paulo, Brazil |
