Content Type Journal ArticleCategory LetterDOI 10.1007/s00464-009-0701-2Authors Theodoros E. Pavlidis, Aristotle University of Thessaloniki, Hippocration Hospital Second Propedeutical Department of Surgery, Medical School Konstantinoupoleos 49 546 42 Thessaloniki Greece Journal Surgical EndoscopyOnline ISSN 1432-2218Print ISSN 0930-2794 (Source: Surgical Endoscopy)