1. Department of Otolaryngology–Head and Neck Surgery, Doernbecher Children’s Hospital, Oregon Health and Science University, Portland2Division of Otolaryngology–Head and Neck Surgery, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio
2. Division of Biostatistics and Epidemiology, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio
3. Division of Otolaryngology–Head and Neck Surgery, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio
4. Division of Plastic Surgery, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio