1. General, Emergency and Minimally Invasive Surgery Careggi University Hospital Florence Italy
2. General Surgery Unit Cisanello University Hospital Pisa Italy
3. Department of Medical, Surgical, Neurologic, Metabolic and Aging Sciences, General, Mini‐invasive and Obesity Surgery Unit University of Campania ‘Luigi Vanvitelli’ Naples Italy
4. Digestive Surgery, Department of Experimental and Clinical Medicine University of Florence Florence Italy