1. Department of Otorhinolaryngology, Mayo Clinic Rochester, Rochester, Minnesota, USA
2. Pediatric ENT and Facial Plastic Surgery, Children’s Hospital and Clinics of Minnesota, Minneapolis, Minnesota, USA
3. Department of Otorhinolaryngology, University of Minnesota, Minneapolis, Minnesota, USA
4. Fairview Health Services, Minneapolis, Minnesota, USA
5. Department of Anesthesiology, University of Minnesota, Minneapolis, Minnesota, USA
6. Preceptis Medical, Inc, Plymouth, Minnesota