1. Unit of Medical Technology and Intelligent Information Systems,Dept. of Materials Science and Engineering,Ioannina,Greece
2. Finnish cardiovascular research center,Faculty of medicine and health technology,Dept. of clinical chemistry,Tambere
3. Research centre of applied and preventive cardiovascular medicine, University of Turku,Turku,Finland
4. Finnish cardiovascular research center,Faculty of medicine and health technology,Tampere
5. Biomedical Resarch Institute, FORTH-IMBB,Unit of Medical Technology and Intelligent Information Systems,Dept. of Materials Science and Engineering,Ioannina,Greece,GR 45110
6. Biomedical Resarch Institute, FORTH-IMBB,Unit of Medical Technology and Intelligent Information Systems,Dept. of Materials Science and Engineering,Ioannina,Greece