1. Department of Emergency Medicine, Indiana University School of Medicine, Indianapolis, Indiana, USA
2. Division of Pediatric Emergency Medicine, Department of Pediatrics, Johns Hopkins University, Baltimore, Maryland, USA
3. Department of Pediatric Anesthesiology, University Hospitals Cleveland Medical Center, Cleveland, Ohio, USA
4. Department of Anesthesiology and Critical Care Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
5. Division of Pediatric Endocrinology, Department of Pediatrics, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA