1 Complex Operative Unit of Abdominal Wall Surgery, Department of General Surgery and Specialties "Paride Stefanini", Sapienza University of Rome, Viale del Policlinico 155, 00161, Rome, Italy. gossetti@tiscalinet.it.
2 Complex Operative Unit of Abdominal Wall Surgery, Department of General Surgery and Specialties "Paride Stefanini", Sapienza University of Rome, Viale del Policlinico 155, 00161, Rome, Italy.