1. Department of Medicine, Cardiology Section, College of Medicine, King Khalid University (KKU), Abha, Saudi Arabia;
2. Department of Basic Medical Sciences, College of Medicine, King Saud bin Abdulaziz University for Health Sciences (KSAU-HS), Riyadh, Saudi Arabia;
3. An intern, College of Medicine, King Khalid University (KKU), Abha, Saudi Arabia;
4. King Abdullah International Medical Research center (KAIMRC), Riyadh, Saudi Arabia;
5. Department of Biology College of Science, College of Medicine, King Khalid University (KKU), Abha, Saudi Arabia