1. 3rd Surgical Clinic of George Gennimatas General Hospital; Mesogeion Ave 154 Athens 156 69 Greece
2. Department of Hygiene; Epidemiology and Medical Statistics; School of Medicine; University of Athens; Athens Greece
3. 1st Department of Pathology; National and Kapodistrian University of Athens; Athens Greece
4. 1st Department of Propaedeutic Surgery; Hippokratio Hospital; Athens Greece
5. Department of Forensic Pathology and Toxicology; Medical School; University of Athens; Athens Greece