1. Department of Pediatric Otolaryngology, Children’s Hospital Colorado, Aurora, Colorado, USA
2. Department of Otolaryngology, School of Medicine, University of Colorado, Aurora, Colorado, USA
3. Department of Pediatrics, School of Medicine, University of Colorado, Aurora, Colorado, USA
4. Department of Biostatistics and Informatics, School of Public Health, University of Colorado, Aurora, Colorado, USA
5. Division of Pediatric Otolaryngology, Department of Otolaryngology–Head and Neck Surgery, Children’s Medical Center, University of Texas Southwestern Medical Center, Dallas, Texas, USA