1. Nuclear Medicine and Molecular Imaging Research Center, Department of Nuclear Medicine, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
2. Research Center for Neuromodulation and Pain, Shiraz University of Medical Sciences, Shiraz, Iran
3. Department of Nuclear Medicine, Alborz University of Medical Sciences, Karaj, Iran
4. Clinical Neurology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
5. Department of Neurosurgery, School of medicine, Shiraz University of Medical Sciences, Shiraz, Iran