1. Department of Medical Sciences and Public Health, University of Cagliari, Italy
2. Department of Surgical Sciences, University of Cagliari, Italy
3. Universidad Popular del Cesar, Valledupar, Colombia
4. University of Rome La Sapienza, Rome, Italy
5. Internal Medicine, Allergy and Clinical Immunology, Department of Medical Sciences, University of Cagliari, Italy
6. Colorectal Surgery Unit, Department of Surgical Science, University of Cagliari, Italy
7. Department of Biomedical Sciences, University of Cagliari, Italy
8. International PhD in Innovation Sciences and Technologies, University of Cagliari, Italy