1. Department of Physiology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
2. Histomorphometry and Stereology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
3. Department of Biochemistry, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
4. Department of Anatomy, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran