1. Department of Medicine and Genetic Medicine, Weill Cornell Medicine–Qatar
2. Adult Cardiology, Heart Hospital, Hamad Medical Corporation, Doha, Qatar
3. Department of Medicine, Faculty of Medicine, Kuwait University, Kuwait
4. Department of Medicine, Mubarak Al-Kabeer Hospital, Ministry of Health, Kuwait
5. Mohammed Bin Khalifa Cardiac Centre, Manama, Bahrain
6. Biostatistics Section, Cardiovascular Research, Heart Hospital, Hamad Medical Corporation, Doha, Qatar