Funding for this research was provided by:
Emberi Eroforrások Minisztériuma (UNKP-18-3)
Received: 15 July 2019
Accepted: 19 May 2020
First Online: 8 June 2020
Compliance with Ethical Standards
: The author declares that there is 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.