1. Department of Radiology, Istituti Clinici Zucchi, 20052 Monza, Italy
2. Department of Radiology, University of Brescia, Piazzale Spedali Civili 1, 25123 Brescia, Italy
3. Department of Radiology, ASST Papa Giovanni XXIII Hospital, 24127 Bergamo, Italy
4. School of Medicine, University Milano Bicocca, 20126 Milano, Italy
5. IRCCS Istituto Ortopedico Galeazzi, 20161 Milano, Italy
6. Dipartimento di Scienze Biomediche per la Salute, Università degli Studi di Milano, 20133 Milano, Italy