1. Department of Anesthesiology; School of Medicine; Shahid Sadoughi University of Medical Sciences and Health Services; Yazd Iran
2. School of Medicine; Shahid Sadoughi University of Medical Sciences and Health Services; Yazd Iran
3. Pain research center; Shahid Sadoughi University of Medical Sciences and Health Services; Yazd Iran
4. Department of Otorhinolaryngology - Head and Neck Surgery; Imam-Khomeini Hospital Complex; Tehran University of Medical Sciences; Tehran Iran