1. First Department of Cardiology, AHEPA University Hospital, School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, St. Kyriakidi 1, 54636 Thessaloniki, Greece
2. Athens Naval Hospital, Dinokratous 70, 11521 Athens, Greece
3. Department of Microbiology, AHEPA University Hospital, School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, St. Kyriakidi 1, 54636 Thessaloniki, Greece
4. First Propedeutic Department of Internal Medicine, AHEPA University Hospital of Thessaloniki, Aristotle University of Thessaloniki, 54636 Thessaloniki, Greece
5. Laboratory of Biochemistry, AHEPA General Hospital, Faculty of Health Sciences, School of Medicine, Aristotle University of Thessaloniki, St. Kyriakidi 1, 54636 Thessaloniki, Greece