1. Otolaryngology Research Center, Department of Otolaryngology Shiraz University of Medical Sciences Shiraz Iran
2. Transplant Research Center Shiraz Institute of Stem Cell and Regenerative Medicine, Shiraz University of Medical Sciences Shiraz Iran
3. Department of Pathology Shiraz University of Medical Sciences Shiraz Iran
4. Center of Comparative and Experimental Medicine Shiraz University of Medical Sciences Shiraz Iran