1. Medical imaging research center, Shiraz University of medical sciences, Shiraz, Iran
2. Department of Nuclear Engineering, School of Mechanical Engineering, Shiraz University, Shiraz, Iran
3. Ionizing and Nonionizing Radiation Protection Research Center, School of Paramedical Sciences, Shiraz University of Medical Sciences, Shiraz, Iran
4. Radiotherapy and Oncology Department, Shiraz University of Medical Sciences, Shiraz, Iran
5. Radiation research center, School of Mechanical Engineering, Shiraz University, Shiraz, Iran