1. Cardiovascular Research Division, Translational and Biosciences Research Institutes Newcastle University Newcastle upon Tyne UK
2. Newcastle upon Tyne Hospitals NHS Foundation Trust Newcastle upon Tyne UK
3. Faculty of Medicine University of Novi Sad Novi Sad Serbia
4. Clinic for Cardiovascular Surgery Institute of Cardiovascular Diseases Vojvodina Sremska Kamenica Serbia
5. Faculty of Health and Life Sciences Coventry University Coventry UK
6. University Hospitals Coventry and Warwickshire NHS Trust Coventry UK
7. Faculty of Medicine University of Belgrade, Clinical Centre Serbia Belgrade Serbia