1. Hospital do Coração; São Paulo Brazil
2. Cairo University; Cairo Egypt
3. Kovai Medical Centre; Coimbatore India
4. Sheikh Khalifa Medical City; Abu Dhabi UAE
5. Pirogov Russian National Research Medical University; Moscow Russia
6. South Australian Health and Medical Research Institute, Flinders University and Medical Centre; Adelaide Australia
7. Clinica de Occidente; Santiago de Cali Colombia
8. Oslo University Hospital; Ullevål Norway
9. Sanatorio Trinidad Mitre; Buenos Aires Argentina
10. Penang Hospital; Pulau Pinang Malaysia
11. Kuwait University; Kuwait City Kuwait
12. Department of Cardiac Sciences; King Fahad Cardiac Centre, College of Medicine, King Saud University; Riyadh Saudi Arabia