1Department of Oral and Maxillofacial Surgery, Azad University of Medical Sciences, Dental branch, Tehran, Iran
2Sina MS Research Center and Department of Internal Neurology, Sina Hospital, University of Medical Sciences, Tehran, Iran
3Department of Oral and Maxillofacial Surgery, Trauma Research Center, Baqiyatallah University of Medical Sciences and Azad University of Medical Sciences, Dental Branch, Tehran, Iran
4Member of Scientific Staff, Shahid Beheshti University of Medical Sciences and Azad University Dental branch, Tehran, Iran