[1] Shahid Beheshti Univ Med Sci, Shohadaye Tajrish Hosp, Dept Neurol, Tehran, Iran
[2] Shahid Beheshti Univ Med Sci, Shohadaye Tajrish Hosp, Funct Neurosurg Res Ctr, Tehran, Iran
[3] Shahid Beheshti Univ Med Sci, Shohadaye Tajrish Hosp, Dept Emergency Med, Tehran, Iran
[4] Shahid Beheshti Univ Med Sci, Dept Med, Tehran, Iran