1. Department of Technology of Radiology and Radiotherapy, Tehran University of Medical Sciences, International Campus, Tehran, Iran
2. Radiology Department, Al-Manara College for Medical Science, Missan, Iraq
3. Department of Radiology, Hilla University College, Babylon, Iraq
4. Radiology Department, Collage of Health and Medical Technology, Al-Ayen University, Thi-Qar, Iraq