[1] Medical Radiation Department, School of Mechanical Engineering, Shiraz University, Shiraz, Iran
[2] Radiotherapy and Oncology Department, Shiraz University of Medical Sciences, Shiraz, Iran
[3] Center for Research in Medical Physics and Biomedical Engineering, Shiraz University of Medical Sciences, Shiraz, Iran
[4] Radiation Research Center, School of Mechanical Engineering, Shiraz University, Shiraz, Iran