1. Division of Radiology, Department of Internal Medicine, Medical College, Najran University, Najran 61441, Saudi Arabia
2. Department of Diagnostic Radiology, Faculty of Human Medicine, Zagazig University, Zagazig 44519, Egypt
3. Department of Radio-Diagnosis, Faculty of Human Medicine, Suez Canal University, Esmaelia 41522, Egypt
4. Department of Radiology, College of Medicine, Qassim University, Buraidah 52571, Saudi Arabia
5. Faculty of Human Medicine, Suez Canal University, Esmaelia 41522, Egypt
6. Department of Pulmonary Medicine, Faculty of Human Medicine, Suez Canal University, Esmaelia 41522, Egypt
7. Faculty of General Medicine, Saint Petersburg State University, Egypt Branch, Cairo 11646, Egypt