1. Department of Advanced Biomedical Sciences University of Naples Federico II Naples Italy
2. Department of Public Health University of Naples Federico II Naples Italy
3. Department of General Surgery II Spedali Civili of Brescia Brescia Italy
4. Department of General and Mininvasive surgery San Camillo Hospital Trento Italy
5. Department of Surgery, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, University Milano Italy
6. Department of General and Oncologic Surgery San Marco Hospital GSD Zingonia Italy
7. Department of Minimally Invasive Oncologic Surgery, Niguarda Hospital ASST Grande Ospedale Metropolitano Niguarda Milan Italy
8. Department of Minimally Invasive Upper Digestive Surgery, Hospital for Digestive Surgery Clinical Center of Serbia Belgrade Serbia
9. Department of General, Mini‐Invasive and Robotic Surgery Monaldi Hospital Naples Italy
10. Department of General Surgery Santa Maria delle Grazie Hospital Pozzuoli Naples Italy