1. Department of Clinical Therapeutics, National and Kapodistrian University of Athens, 11528 Athens, Greece
2. Department of Internal Medicine, Faculty of Medicine, School of Health Sciences, University of Thessaly, 41334 Larissa, Greece
3. 1st Department of Neurology, Eginition Hospital, National and Kapodistrian University of Athens, 11528 Athens, Greece
4. Department of Medicine, Arcadia General Hospital, 22100 Tripoli, Greece
5. Department of Neurology, General Hospital of Chania, 73300 Chania, Greece
6. First Propaedeutic Internal Medicine Department, Aristotle University of Thessaloniki, AHEPA Hospital, 54636 Thessaloniki, Greece
7. Department of Internal Medicine, School of Medicine, University of Ioannina, 45500 Ioannina, Greece
8. Clinic-Laboratory of Pathophysiology, First Department of Propeadeutic Internal Medicine, Laiko Hospital, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece
9. Second Propedeutic Department of Internal Medicine, Aristotle University of Thessaloniki, Hippokrateion General Hospital of Thessaloniki, 54643 Thessaloniki, Greece
10. Center for Health Services Management and Evaluation, Nursing Department, National and Kapodistrian University of Athens, 11527 Athens, Greece
11. Department of Tourism Studies, University of Piraeus, 18534 Piraeus, Greece
12. Hellenic Cardiovascular Research Society, 11528 Athens, Greece