1. 1 Department of Pharmacology, School of Medicine; Aristotle University of Thessaloniki; 54124 Thessaloniki Greece
2. Clinic of Anaesthesiology and Intensive Care, School of Medicine; Aristotle University of Thessaloniki; 54124 Thessaloniki Greece
3. 2 Department of Pharmacology, School of Medicine; Aristotle University of Thessaloniki; 54124 Thessaloniki Greece