1. Children’s Healthcare of Atlanta, Atlanta, GA, USA
2. Pediatric Emergency Medicine Associates, Atlanta, GA, USA
3. Department of Pediatrics, Pediatrics Biostatistics Core, Emory University School of Medicine, Atlanta, GA, USA
4. Division of Emergency Medicine, Department of Pediatrics, Emory University School of Medicine, Atlanta, GA, USA
5. Department of Emergency Medicine, Emory University School of Medicine, Atlanta, GA, USA