Pediatr Emerg Care 2020 Oct 1. Epub 2020 Oct 1.
Clinical Research Development Centre, Taleghani and Imam Ali Hospital, Kermanshah University of Medical Sciences, Kermanshah, I.R. Iran Department of Clinical Epidemiology, School of Health and Safety, Shahid Beheshti University of Medical Sciences, Tehran, I.R. Iran, Safety Promotions and Injury, Prevention Research Centre, Shahid Beheshti University of Medical Sciences, Tehran, I.R. Iran