1. Eastern Virginia Medical School / Children’s Hospital of The King’s Daughters, Norfolk, Virginia, USA
2. Oregon Health and Science University, Portland, Oregon, USA
3. Cincinnati Children’s Hospital Medical Center / University of Cincinnati College of Medicine, Cincinnati, Ohio, USA
4. NYU Langone Health, New York, New York, USA
5. Children’s Hospital Colorado / University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
6. Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
7. Children’s National Medical Center / George Washington University School of Medicine and Health Sciences, Washington, DC, USA
8. UT Southwestern Medical Center, Dallas, Texas, USA
9. Nemours / Alfred I. duPont Hospital for Children, New Castle County, Delaware, USA
10. Nationwide Children’s Hospital, Columbus, Ohio, USA
11. West Virginia University, Morgantown, West Virginia, USA
12. American Academy of Otolaryngology–Head and Neck Surgery Foundation, Alexandria, Virginia, USA
13. SUNY Downstate Health Sciences University, New York, New York, USA