1. Department of Nephrology and Dialysis, Pugliese-Ciaccio Hospital of Catanzaro, Catanzaro, Italy
2. Department of Nephrology and Dialysis, ‘Mater Domini’ University Hospital, Catanzaro, Italy;
3. Department of Psychiatry, Health Sciences, University Hospital ‘Mater Domini’, Catanzaro, Italy;
4. Hemodialysis Unit of Soverato, Catanzaro, Italy;
5. Territorial Hemodialysis Unit of Catanzaro Lido, Catanzaro, Italy;