L D'Amore1, P Negro2, F Ceci2, F Gossetti2. 1. Unit of Abdominal Wall Surgery, Department of Surgery "P. Stefanini", Facoltà di Farmacia e Medicina, Sapienza University of Rome, Rome, Italy. linda.damore@uniroma1.it. 2. Unit of Abdominal Wall Surgery, Department of Surgery "P. Stefanini", Facoltà di Farmacia e Medicina, Sapienza University of Rome, Rome, Italy.