1 Department of Medicine, Surgery and Pharmacy, University of Sassari, viale San Pietro 8, 07100, Sassari, Italy. gianpaolovidili@uniss.it.
2 Centralized Day Hospital of the Medical Area, Azienda Ospedaliero Universitaria Di Sassari, viale San Pietro 8, 07100, Sassari, Italy. gianpaolovidili@uniss.it.
3 Department of Medicine, Surgery and Pharmacy, University of Sassari, viale San Pietro 8, 07100, Sassari, Italy.
4 Centralized Day Hospital of the Medical Area, Azienda Ospedaliero Universitaria Di Sassari, viale San Pietro 8, 07100, Sassari, Italy.
5 Department of Radiology, Azienda Ospedaliero Universitaria Di Sassari, viale San Pietro 10, 07100, Sassari, Italy.