Mahdi Sharif-Alhoseini1, Edward R. Laws2 and Vafa Rahimi-Movaghar3,4 1Sina Trauma and Surgery Research Center, Tehran University of Medical Sciences, Tehran, 2Department of Neurosurgery, Brigham & Women's Hospital, Harvard Medical School, Boston, Massachusetts, 3Sina Trauma and Surgery Research Center, Department of Neurosurgery, Tehran University of Medical Sciences, Tehran, 4Research Centre f...