1. Department of Pediatric Otolaryngology, Montreal Children’s Hospital, Montreal, QC, Canada
2. Department of Otolaryngology—Head and Neck Surgery, McGill University Health Centre, Montreal, QC, Canada
3. Department of Pediatric Radiology, McGill University Health Centre, Montreal, QC, Canada
4. Department of Vascular Surgery, McGill University Health Centre, Montreal, QC, Canada