1 Division of Pediatric Emergency Medicine, AOB 2400, UPMC Children's Hospital of Pediatrics, 4401, Penn Avenue, 15224 Pittsburgh, PA, United States. Electronic address: natan.cramer@chp.edu.
2 Division of Pediatric Emergency Medicine, AOB 2400, UPMC Children's Hospital of Pediatrics, 4401, Penn Avenue, 15224 Pittsburgh, PA, United States. Electronic address: devora.azhdam@chp.edu.