1. Department of General Surgery, Friuli Centrale Healthcare University Trust, Udine, Italy
2. Department of Medicine, University of Udine, Udine, Italy
3. Accreditation and Quality Unit, Friuli Centrale Healthcare University Trust, Udine, Italy
4. Friuli Centrale Healthcare University Trust, Udine, Italy
5. Dialysis Unit, Department of Specialistic Medicine, Friuli Centrale Healthcare University Trust, Udine, Italy