1. Department of Radiology, King Faisal Specialist Hospital and Research Centre, Riyadh, Saudi Arabia
2. Department of Biostatistics, King Faisal Specialist Hospital and Research Centre, Riyadh, Saudi Arabia
3. Department of Cardiology, King Faisal Specialist Hospital and Research Centre, Riyadh, Saudi Arabia
4. Department of Heart Center, King Faisal Specialist Hospital and Research Centre, Riyadh, Saudi Arabia