1. Department of Pediatrics, Emory University School of Medicine, Atlanta, Georgia.
2. Division of Adolescent Medicine, Department of Pediatrics, Emory University School of Medicine, Atlanta, Georgia.
3. Division of Emergency Medicine, Department of Pediatrics, Emory University School of Medicine, Atlanta, Georgia.
4. Division of Infectious Diseases, Department of Pediatrics, Emory University School of Medicine, Atlanta, Georgia.