1. Department of Cardiothoracic Surgery, Heart Hospital, Hamad Medical Corporation, PO Box 3050, Doha, Qatar
2. Department of Medical Education, Hamad Medical Corporation, PO Box 3050, Doha, Qatar
3. Department of Non-Invasive Cardiology, Heart Hospital, Hamad Medical Corporation, PO Box 3050, Doha, Qatar
4. Department of Cardiothoracic Surgery/Cardiac Anaesthesia & ICU Section, Heart Hospital, Hamad Medical Corporation, PO Box 3050, Doha, Qatar