Laboratory of Experimental Sur- gery and Surgical Research "NS Christeas";
University of Athens;
Medical School;
Athens;
Greece;
1st Univer- sity Department of General Surgery;
Athens School of Medicine;
Hippocration Hospital;
Athens;
Greece;
Laboratory of Testing and Materials;
De- partment of Mechanics;
National Technical University of Athens;
Greece;
BVMS;
MVM;
Laboratory of Experimen- tal Surgery and Surgical Research "NS Christeas";
University of Athens;
Medical School;
Athens;
Greece and Greek Ministry of Rural Development and Food;
General Directorate of Veterinary Services;