1. Medical Physics Department, Faculty of Medicine, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
2. Radiotherapy Research Center, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
3. Radiology Department, Faculty of Medicine, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
4. Medical Physics Department, Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran