Funding for this research was provided by:
Ministrstvo za Izobraževanje, Znanost in Šport
Article History
Received: 5 February 2019
Accepted: 21 February 2019
First Online: 7 March 2019
Compliance with ethical standards
:
: The authors declare no further conflicts of interest.
: The study protocol was approved by the Protocol Review Board and Ethics Committee of the Institute of Oncology Ljubljana.
: Informed consent for using their data for retrospective study purposes at the start of their treatment was obtained from all individual participants included in the study.