1. Radiology and Medical Imaging Department, Fatima College of Health Sciences, Abu Dhabi 3798, United Arab Emirates
2. National Cancer Institute, University of Gezira, Wad Madani 2667, Sudan
3. Nuclear Medicine Division of Radiology Department, Faculty of Medicine, Universitas Andalas, Padang 25163, Indonesia
4. Radiology Department, Sheikh Shakhbout Medical City, Abu Dhabi 3798, United Arab Emirates