1. Department of Advanced Biomedical Sciences, University of Naples Federico II, 80131 Naples, Italy
2. Department of Diagnostic Imaging, Pineta Grande Hospital, 81030 Castel Volturno, Italy
3. Department of Public Health, University of Naples Federico II, 80131 Naples, Italy
4. Department of Radiology, Santa Maria delle Grazie Hospital, ASL Napoli 2 Nord, 80078 Pozzuoli, Italy