Funding for this research was provided by:
European Social Fund (EFOP-3.6.3-VEKOP-16-2017-0002)
Nemzeti Kutatási, Fejlesztési és Innovaciós Alap (2018-1.2.1-NKP-2018-00008)
University of Szeged Open Access Fund (4100)
Received: 22 July 2019
Accepted: 14 July 2020
First Online: 29 July 2020
: The authors declare that they have no competing interests.