1. Student Research Committee, Shiraz University of Medical Sciences, Shiraz, Iran
2. Department of physical medicine and rehabilitation, Bone and Joint Diseases Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
3. Shiraz Geriatric Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
4. Thoracic and Vascular Surgery Research Center, Shiraz University of Medical Science, Shiraz, Iran