1. CNR-IPCF UOS Roma Sapienza, Physics Department, “Sapienza” University of Rome, Italy
2. Department of Orthopaedics and Traumatology, PTV Foundation, “Tor Vergata” University of Rome, Italy
3. Department of Diagnostic and Interventional Radiology, Molecular Imaging and Radiotherapy, PTV Foundation, “Tor Vergata” University of Rome, Italy