Surg Innov 2016 Aug 30;23(4):374-80. Epub 2015 Dec 30.
Department of Medicine, Surgery and Neurosciences, Unit of Surgical Oncology, Azienda Ospedaliera Universitaria Senese, University of Siena, Italy Department of Medicine, Surgery and Neurosciences, Unit of Minimally Invasive Surgery, Azienda Ospedaliera Universitaria Senese, University of Siena, Italy.