1. Department of Anesthesia, University of Jordan, Amman, Jordan
2. Department of Anesthesiology, King Faisal Specialist Hospital and Research Centre, Riyadh, Saudi Arabia
3. Department of Cardiovascular Diseases, King Faisal Specialist Hospital and Research Centre, Riyadh, Saudi Arabia
4. Department of cell Biology, King Faisal Specialist Hospital and Research Centre, Riyadh, Saudi Arabia
5. Department of Radiology, King Faisal Specialist Hospital and Research Centre, Riyadh, Saudi Arabia