1. Department of Otorhinolaryngology – Head & Neck surgery Shiraz University of Medical Sciences Shiraz Iran
2. Otolaryngology Research Center Shiraz University of Medical Sciences Shiraz Iran
3. Student Research Committee Shiraz University of Medical Sciences Shiraz Iran
4. Shiraz Anesthesiology and Critical Care Research Center Shiraz University of Medical Sciences Shiraz Iran
5. Department of Pharmaceutics School of Pharmacy, Shiraz University of Medical Sciences Shiraz Iran