Funding for this research was provided by:
Text and Data Mining valid from 2018-08-20
Received: 1 February 2018
Accepted: 10 August 2018
First Online: 20 August 2018
Ethics approval and consent to participate
: Study performed under IRB-approved Protocol # 27372. SRC approval ID: PROS0055.
: IRB Protocol # 27372 includes consent for publication, which was signed by and agreed upon by all participants included in this manuscript. Date of registration of trial: 12/17/2013. ExternalRef removed .
: The study was supported through research grant by Elekta to Dimitre Hristov.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.