1. Department of Otolaryngology – Head and Neck Surgery San Antonio Uniformed Services Health Education Consortium, JBSA ‐ Fort Sam Houston San Antonio Texas U.S.A.
2. Department of Otolaryngology – Head and Neck Surgery University of Kansas Medical Center Kansas City Kansas U.S.A.
3. Division of Otolaryngology, Head and Neck Surgery Phoenix Children's Hospital Phoenix Arizona U.S.A.
4. Department of Otolaryngology Mayo College of Medicine and Science Phoenix Arizona U.S.A.
5. Department of Child Health University of Arizona ‐ College of Medicine Phoenix Arizona U.S.A.