1. University of Washington School of Medicine, Seattle, Washington, USA
2. Craniofacial Center, Seattle Children’s Hospital, Seattle, Washington, USA
3. Department of Radiology, University of Washington, Seattle, Washington, USA
4. Department of Radiology–Seattle Children’s Hospital, Seattle, Washington, USA
5. Department of Otolaryngology–Head and Neck Surgery, University of Washington School of Medicine, Seattle, Washington, USA
6. Division of Pediatric Otolaryngology–Head and Neck Surgery, Seattle Children’s Hospital, Seattle, Washington, USA