1. Division of Pediatric Otolaryngology–Head and Neck Surgery, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio, USA
2. Department of Otolaryngology–Head and Neck Surgery, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA
3. Division of Pulmonary and Sleep Medicine, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio, USA
4. Division of Developmental and Behavioral Pediatrics, Cincinnati Children’s Hospital Medical Center, University of Cincinnati, Cincinnati, Ohio, USA
5. Department of Pediatrics, College of Medicine, University of Cincinnati, Cincinnati, Ohio, USA
6. Division of Biostatistics and Epidemiology, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio, USA