1 Department of Neurology, Sina Hospital, Tehran University of Medical Sciences, Tehran, Iran.
2 Headache Department, Neurology Ward, Sina University Hospital, School of Medicine, Tehran University of Medical Sciences, Imam Street, Tehran, Iran.
3 Headache Department, Neurology Ward, Sina University Hospital, School of Medicine, Tehran University of Medical Sciences, Imam Street, Tehran, Iran. toghae@sina.tums.ac.ir.
4 Headache Department, Iranian Center of Neurological Research, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, Iran. toghae@sina.tums.ac.ir.
5 Headache Department, Iranian Center of Neurological Research, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, Iran.
6 Department of Surgery, Sina Hospital, Tehran University of Medical Sciences, Tehran, Iran.
7 Research Development Center, Sina Hospital, Tehran University of Medical Sciences, Tehran, Iran.
8 Department of Infectious Disease, Sina Hospital, Tehran University of Medical Sciences, Tehran, Iran.
9 Department of Emergency Medicine, Tehran University of Medical Sciences, Tehran, Iran.
10 Department of Radiology, Tehran University of Medical Sciences, Tehran, Iran.