1 Division of Pediatric Emergency Medicine, Department of Emergency Medicine, NewYork-Presbyterian Brooklyn Methodist Hospital, Brooklyn, NY, USA.
2 Department of Emergency Medicine, NewYork-Presbyterian Brooklyn Methodist Hospital, Brooklyn, NY, USA.
3 Division of Emergency Ultrasound, Department of Emergency Medicine, NewYork-Presbyterian Brooklyn Methodist Hospital, Brooklyn, NY, USA.
4 Divisions of Pediatric Emergency Medicine and Emergency Ultrasound, Department of Emergency Medicine, NewYork-Presbyterian Brooklyn Methodist Hospital, Brooklyn, NY, USA.