Funding for this research was provided by:
Uniwersytet Jagielloński w Krakowie
Text and Data Mining valid from 2019-04-13
Received: 7 September 2018
Accepted: 2 April 2019
First Online: 13 April 2019
Compliance with ethical standards
: The authors declare that they have no conflict of interest.
: 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.