Funding for this research was provided by:
Hungarian Scientific Research Fund (NKFI K120232)
Emberi Eroforrások Minisztériuma (20391-3/2018/FEKUSTRAT)
Article History
Received: 22 August 2019
Accepted: 24 October 2019
First Online: 5 December 2019
Ethics approval and consent to participate
: Not applicable.
: Not applicable.
: The authors declare that they have no competing interests.