| Affiliation: | 1. Division of Pediatric Otolaryngology–Head and Neck Surgery, Cincinnati, Ohio;2. Division of Pulmonary Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio;3. Department of Otolaryngology–Head and Neck Surgery, Cincinnati, Ohio;4. Department of Otolaryngology–Head and Neck Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland, U.S.A.;5. University of Cincinnati College of Medicine, Cincinnati, Ohio;6. Department of Internal Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, U.S.A.;7. Department of Pediatrics, Johns Hopkins University School of Medicine, Baltimore, Maryland, U.S.A.;8. Department of Anesthesia and Critical Care Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, U.S.A. |
