Received: 27 December 2017
Accepted: 31 August 2018
First Online: 10 September 2018
Ethics approval and consent to participate
: Approval for the present study was given by the Review Board of the Department of Oncology of the University of Turin. Written informed consent was acquired from all patients with respect to RT treatment and clinical data management for research purposes.
: Not applicable.
: The authors declare that they have no competing interests.
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