1. School of Biomedical Engineering and Imaging Sciences, King’s College London, Westminster Bridge Road, London SE1 7EH, UK
2. Department of Clinical Therapeutics, National and Kapodistrian University of Athens School of Medicine, Athens, Greece
3. Department of Hygiene and Epidemiology, University of Ioannina Medical School, Ioannina, Greece
4. Department of Informatics and Telecommunications, School of Informatics and Telecommunications, University of Ioannina, Arta, Greece
5. First Department of Cardiology, National and Kapodistrian University of Athens School of Medicine, Athens, Greece
6. Department of Clinical and Experimental Medicine, University of Pisa, 56124 Pisa, Italy
7. National Centre for Cardiovascular Prevention and Outcomes, Institute of Cardiovascular Science, University College London, London EC1A 4NP, UK
8. Department of Twin Research & Genetic Epidemiology, King's College London, London WC2R 2LS, UK