1. Department of Biological Chemistry; University of Athens Medical School; Athens Greece
2. First Department of Pathology; “Laikon” General Hospital, University of Athens Medical School; Athens Greece
3. Department of Pathology; “Tzaneio” General Hospital; Piraeus Greece
4. First Department of Surgery; “Laikon” General Hospital, University of Athens Medical School; Athens Greece
5. Department of Pathophysiology; Oncology Unit, “Laikon” General Hospital, University of Athens Medical School; Athens Greece