Giovanni Domenico De Palma1, Bruno Amato1, S Siciliano1, Francesco Maione1, Dario Esposito1, Nicola Gennarelli1, Marcello Persico1, Stefania Masone1, Giuseppe Iannone1, Pietro Forestieri1
1Department of Gastroenterology, Endocrinology and Surgery. Center of Excellence for Technical Innovation in Surgery, University of Naples Federico II, School of Medicine, Italy