1. University of Jeddah, College of Applied Medical Sciences, Department of Applied Radiologic Technology, Jeddah , Saudi Arabia
2. Radiologic Sciences Program, Batterjee Medical College, Jeddah , Saudi Arabia
3. King Khalid University, College of Medical Applied Sciences, Department of Diagnostic Radiology Sciences, Abha , Saudi Arabia
4. Radiological Sciences Department, Al-Ghad International College for Applied Medical Science, Abha, Saudi Arabia
5. University of Jeddah, College of Applied Medical Sciences, Department of Applied Radiologic Technology, Jeddah, Saudi Arabia
6. Radiological Sciences Department, Al-Ghad International College for Applied Medical Science, Abha, Sudan