1. Department of Pathophysiology, National and Kapodistrian University of Athens , Athens, Greece
2. Department of Clinical Therapeutics, ’Alexandra’ hospital, National and Kapodistrian University of Athens , Athens, Greece
3. First Department of Internal Medicine, Propaedeutic Clinic, “Laiko” Hospital, National and Kapodistrian University of Athens , Athens, Greece
4. Second Department of Pathology, National and Kapodistrian University of Athens , Athens, Greece