1. University of Cincinnati College of Medicine Cincinnati Ohio USA
2. Walter Reed National Military Medical Center Bethesda Maryland USA
3. Virginia Mason Medical Center Seattle Washington USA
4. University of Rochester Medical Center/Golisano Children's Hospital Rochester New York USA
5. Eastern Virginia Medical School/Children's Hospital of the King's Daughter Norfolk Virginia USA
6. Sainte‐Justine Hospital University of Montreal Montreal Quebec Canada
7. NYU Langone Health New York New York USA
8. University of Missouri—Kansas City Kansas City Missouri USA
9. Yale University/Connecticut Pediatric Otolaryngology New Haven Connecticut USA
10. Baylor College of Medicine/Texas Children's Hospital Houston Texas USA
11. Cincinnati Children's Hospital Medical Center Cincinnati Ohio USA
12. University of Michigan Health/Michigan Medicine Ann Arbor Michigan USA
13. Children's National Health System Washington District of Columbia USA
14. American Academy of Otolaryngology—Head and Neck Surgery Foundation Alexandria Virginia USA