Affiliation: | (1) Diagnostic Imaging and Radiotherapy Department, Second University of Naples, Italy;(2) S.G.C. Diagnostic Imaging and Radiotherapy Centre, Naples, Italy;(3) Dorset Cancer Centre, Poole Hospital NHS Trust, Poole, Dorset, UK;(4) European Institute of Oncology, Milan, Italy;(5) Mathematics and Computing Department, University of Salerno, Baronissi, Salerno, Italy;(6) Institute of Oncology, Townsville Teaching Hospital, Queensland, Australia |