1. Radiological Sciences Department, College of Applied Medical Sciences, King Saud University, P.O. Box 10219, Riyadh 11433, Saudi Arabia
2. Pathophysiology Department, Al-Rayan Private College of Health Sciences and Nursing, P.O. Box 16, Al Madinah Al Munawarah 41411, Saudi Arabia
3. Inaya Medical College, Department of Nuclear Medicine Technology, P.O. Box 271 880, Riyadh 11352, Saudi Arabia
4. Radiology and Medical Imaging Department, College of Applied Medical Sciences, Prince Sattam bin Abdulaziz University, P.O. Box 422, Alkharj 11942, Saudi Arabia
5. Department of Radiological Sciences, College of Applied Medical Sciences, King Saud Bin Abdulaziz University for Health Sciences, P.O. Box 2477, Al-Ahsa, Al Hofuf 31982, Saudi Arabia