1. Unit of Innovation in Minimally Invasive Surgery, Department of General and Digestive Surgery, University Hospital “Virgen del Rocio,” University of Sevilla, Spain.
2. Unit of General and Digestive Surgery, Hospital Quirónsalud Sagrado Corazón, Sevilla, Spain.
3. Unit of General and Digestive Surgery, Hospital de Río Tinto, Huelva, Spain.
4. Department of General Surgery and Surgical Specialties “Paride Stefanini,” Sapienza, University of Rome, Rome, Italy.