1 Radiotherapy Unit 1, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy. Electronic address: [email protected].
2 Radiotherapy Unit 1, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy; Department of Oncology and Hemato-Oncology, University of Milan, Milan, Italy.
3 Radiation Oncology Unit - Oncology Department, University of Florence - Azienda Ospedaliero Universitaria Careggi, Florence, Italy.