1. Anesthesiology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
2. Assistant Professor of Orthopaedics, Department of Surgery, School of Medicine Shahid Beheshti Hospital, Babol University of Medical Sciences, Tehran, Iran
3. Laser Application in Medical Sciences Research Center (LAMSRC), Shahid Beheshti University of Medical Sciences, Tehran, Iran
4. Research Center for Neurosurgery and Functional Nerves, Shahid Beheshti University of Medical Sciences, Shohad-a-Tajrish Hospital, Tehran, Iran