Department of Emergency Medicine, Alborz University of Medical Sciences, Karaj, Iran;
Department of Emergency Medicine, Mashhad University of Medical Sciences, Mashhad, Iran;
Department of Emergency Medicine, Mashhad University of Medical Sciences, Mashhad, Iran;
Sina Trauma and Surgery Research Center, Tehran University of Medical Sciences, Tehran, Iran;
Sina Trauma and Surgery Research Center, Tehran University of Medical Sciences, Tehran, Iran;
Department of Neurosurgery, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran;