1. Department of Preventive Cardiology, Institute for Clinical and Experimental Medicine, Prague, Czech Republic
2. Department of Medicine II, Charles University Medical School, Pilsen, Czech Republic
3. Centre for Cardiovascular Prevention, Thomayer Hospital and Charles University Medical School I, Prague, Czech Republic
4. Department of Medicine II, Charles University Medical School I, Prague, Czech Republic
5. International Clinical Research Centre Brno, Czech Republic
6. Medical Statistics Unit, Institute for Clinical and Experimental Medicine, Prague, Czech Republic
7. Division of Public Health, University of Liverpool, UK
8. Institute of Health and Society, University of Newcastle, UK
9. Institute of Health Information and Statistics of the Czech Republic, Prague, Czech Republic
10. Department of Cardiovascular Surgery, Charles University Medical School II and Motol University Hospital, Prague, Czech Republic
11. Centre of Biomedical Informatics, Institute of Computer Science, Academy of Sciences of the Czech Republic, Prague, Czech Republic