1. Children's Healthcare of Atlanta Atlanta Georgia USA
2. Department of Otolaryngology–Head and Neck Surgery Emory University School of Medicine Atlanta Georgia USA
3. Emory University School of Medicine Atlanta Georgia USA
4. Rollins School of Public Health Atlanta Georgia USA
5. Department of Pediatrics Emory University School of Medicine Atlanta Georgia USA
6. Department of Psychology University of Georgia Athens Georgia USA
7. Emory University Woodruff Health Sciences Center Library Atlanta Georgia USA
8. Population, Policy, and Practice Department, Institute of Child Health University College London London UK
9. University of Bristol Bristol UK