1. Department of Adult Cardiology and Cardiovascular Surgery, Heart Hospital, Hamad Medical Corporation (HMC), Doha, Qatar
2. Department of Cardiology, National Heart Institute, Cairo, Egypt
3. Department of Clinical Medicine, Weill Cornell Medical School, Qatar
4. Clinical Research, Trauma Section, Hamad Medical Corporation (HMC), Qatar
5. Internal Medicine, Cardiology Section, Ahmed Maher Teaching Hospital, Egypt