1. Department of Radiology, Anatomopathology and Oncology, Sapienza University of Rome, Viale del Policlinico 155, 00161 Rome, Italy
2. Venizelio Regional General Hospital of Heraklion, Leoforos Knosou, 714 09 Iraklio, Greece
3. Department of Surgical Sciences, Sapienza University of Rome, Viale Regina Elena 324, 00161 Rome, Italy
4. University of Tirana, Rruga Arben Broci, Tirana, Albania
5. University Hospital of Pavia, Viale Camillo Golgi 19, 27100 Pavia, Italy
6. Department of Medicine and Health Sciences, University of Molise, Contrada Tappino, 86100 Campobasso, Italy
7. Department of Experimental Medicine, Sapienza University of Rome, Viale Regina Elena 324, 00161 Rome, Italy