1. R&D Unit, R.A.W. Srl, Milan, Italy;
2. Department of Biomedical Sciences, Humanitas University, Rozzano, Milan, Italy;
3. Department of Radiology, Hadassah Hebrew University Medical Centre, Jerusalem, Israel;
4. Department of Radiology, Beth Israel Deaconess Medical Center, Boston, MA, USA;
5. Department of Radiology, Humanitas Clinical and Research Center, Rozzano, Milan, Italy.