1. Experimental Surgical Unit, Fourth Department of Surgery, Medical School, National and Kapodistrian University of Athens, Attikon Hospital
2. Department of Pathology, Medical School, National and Kapodistrian University of Athens
3. Experimental Surgical Unit, Second Department of Surgery, Medical School, National and Kapodistrian University of Athens, Aretaieion University Hospital
4. Experimental Research Department, ELPEN-Pharma
5. Department of Nephrology, Evangelismos Hospital
6. Department of Nutrition; Harokopeion University of Athens, Athens, Greece