Funding for this research was provided by:
Vedecká Grantová Agentúra MŠVVaŠ SR a SAV (VEGA 2/0102/17, VEGA 2/0092/15)
Agentúra na Podporu Výskumu a Vývoja (APVV-0076-10, APVV-14-0327, APVV-16-0010)
European Fund for Regional Development through Operation Program of Research and Development (ITMS 26240220058)
Text and Data Mining valid from 2018-09-06
Received: 14 March 2018
Accepted: 29 August 2018
First Online: 6 September 2018
Ethics approval and consent to participate
: This study was approved by the Institutional Review Board of the National Cancer Institute of Slovakia. All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. Informed consent was obtained from all individual participants included in the study.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.