1. Neurosurgery department, Medical School, Shiraz University of Medical Sciences, Shiraz, Iran
2. Department of Immunology, Medical School, Shiraz University of Medical Sciences, Shiraz, Iran
3. Autoimmune Diseases Research Center, Medical School, Shiraz University of Medical Sciences, Shiraz, Iran
4. Health Policy Research Center, Institute of Health, Shiraz University of Medical Sciences, Shiraz, Iran