Funding for this research was provided by:
National Science Center (2012/05/D/NZ2/01623, 2015/17/D/NZ2/03711)
National Science Center (2011/02/A/NZ2/00014)
Foundation for Polish Science (TEAM)
Text and Data Mining valid from 2018-09-19
Received: 14 November 2017
Accepted: 12 September 2018
First Online: 19 September 2018
Ethics approval and consent to participate
: The study was approved by the ethics committee (decision KB 3/2013) of Maria Sklodowska-Curie Memorial Cancer Centre, Warsaw, Poland. All participants provided written informed consent. The study protocol conforms to the ethical guidelines of the 1975 Declaration of Helsinki.
: Not applicable.
: None of the authors have any competing interests regarding presented work.
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