1. Division of Pulmonary Medicine, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio, USA
2. Department of Aerospace Engineering and Engineering Mechanics, University of Cincinnati, Cincinnati, Ohio, USA
3. Department of Otolaryngology–Head and Neck Surgery, University of Cincinnati Medical Center, Cincinnati, Ohio, USA
4. Department of Radiology, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio, USA
5. Department of Pediatrics, University of Cincinnati, College of Medicine, Cincinnati, Ohio, USA
6. Department of Pediatric Anesthesia, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio, USA
7. Department of Pediatric Otolaryngology, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio, USA