1. 2nd Department of Cardiology, University Hospital of Ioannina, University of Ioannina, 45110 Ioannina, Greece
2. Department of Cardiology, University Hospital of Patras, 26504 Patras, Greece
3. Rontis Hellas SA, 41500 Larissa, Greece
4. Department of Biomedical Research, Institute of Molecular Biology and Biotechnology, Department of Materials Science and Engineering, Unit of Medical Technology and Intelligent Information Systems, University of Ioannina, 45110 Ioannina, Greece
5. General Department, University of Thessaly, 41500 Larissa, Greece