1. University of Utah School of Medicine, Salt Lake City, Utah, USA
2. Division of Otolaryngology, University of Utah School of Medicine, Salt Lake City, Utah, USA
3. Primary Children’s Hospital, Intermountain Healthcare Inc, Salt Lake City, Utah, USA
4. Intermountain Healthcare, Surgical Services Clinical Program, Salt Lake City, Utah, USA
5. Division of Pediatric Inpatient Medicine, Department of Pediatrics, University of Utah School of Medicine, Salt Lake City, Utah, USA
6. Institute for Health Care Delivery Research, Intermountain Healthcare Inc, Salt Lake City, Utah, USA