1. Department of Electronics, Information and Bioengineering (DEIB) Politecnico di Milano Milan20133Italy
2. Diagnostic Radiology Residency School University of Pavia Pavia27100Italy
3. Department of Clinical Surgical, Diagnostic and Pediatric Sciences University of Pavia Pavia27100Italy
4. Clinical Department National Center of Oncological Hadrontherapy (CNAO) Pavia27100Italy
5. Centre for Medical Image Computing (CMIC) Department of Computer Science University College London (UCL) LondonWC1V6LJUK
6. Bioengineering UnitNational Center of Oncological Hadrontherapy (CNAO) Pavia27100Italy