1. Institute of Cardiovascular Sciences, University of Birmingham, Birmingham B15 2TT, UK
2. Department of Cardiology, University Hospitals Birmingham NHS Foundation Trust, Queen Elizabeth, Birmingham B15 2GW, UK
3. Echocardiography Cardiovascular Technology (ECVT) Program, King Saud bin Abdulaziz University for Health Sciences, Riyadh 11481, Saudi Arabia
4. University Center of Cardiovascular Science & Department of Cardiology, University Heart and Vascular Center and University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany
5. German Centre for Cardiovascular Research DZHK, Partner Site Hamburg/Kiel/Luebeck, 20246 Hamburg, Germany