1. 2nd Department of Surgery, “Aretaieio” Hospital, National and Kapodistrian University of Athens, School of Medicine, 11528 Athens, Greece
2. Department of Pathology, “Aretaieio” Hospital, National and Kapodistrian University of Athens, School of Medicine, 11528 Athens, Greece
3. Animal House Facility/Experimental Unit, “Aretaieio” Hospital, National and Kapodistrian University of Athens, School of Medicine, 11528 Athens, Greece
4. 1st Department of Anesthesiology, “Aretaieio” Hospital, National and Kapodistrian University of Athens, School of Medicine, 11528 Athens, Greece