1. Department of Radiology and Molecular Imaging, Medical Physics Section, College of Medicine & Health Sciences, Sultan Qaboos University, Al-Khod 123, Oman
2. Radiological Sciences Department, College of Applied Medical Sciences, King Saud University, Riyadh, Saudi Arabia
3. Department of Radiology, Medical Physics Unit, King Abdul Aziz University, Jeddah, Kingdom of Saudi Arabia
4. Al Imam Mohammad Ibn Saud Islamic University (IMSIU), College of Science, Physics Department, Committee on Radiation and Environmental Pollution Protection, Riyadh, Saudi Arabia
5. Sudan Atomic Energy Commission, Institute of Nuclear and Radiological Safety, Khartoum, Sudan