Affiliation: | 1. Department of Anesthesiology, Children's Hospital Colorado, University of Colorado School of Medicine, Aurora, CO, USA;2. Department of Anesthesiology, Lucile Packard Children's Hospital, Stanford University, Palo Alto, CA, USA;3. Department of Emergency Medicine, Children's Hospital Colorado, University of Colorado School of Medicine, Aurora, CO, USA;4. Department of Anesthesiology, Ochsner Hospital for Children, New Orleans, LA, USA;5. Department of Otolaryngology, Children's Hospital Colorado, University of Colorado School of Medicine, Aurora, CO, USA |