1. First Propedeutic Department of Internal Medicine, Medical School, Aristotle University of Thessaloniki, AHEPA University Hospital, 54636 Thessaloniki, Greece
2. Department of Internal Medicine, Faculty of Medicine, School of Health Sciences, University of Thessaly, 35100 Larissa, Greece
3. Department of Internal Medicine, Medical School, University of Ioannina, University Hospital of Ioannina, 45500 Ioannina, Greece
4. Laboratory of Computing, Medical Informatics and Biomedical—Imaging Technologies, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
5. Hellenic Stroke Organization, 11528 Athens, Greece