Funding for this research was provided by:
Grant Agency of Comenius University (UK/47/2019)
Operational Programme Research and Innovation for programme "Advancing University Capacity and Competence in Research, Development and Innovation" (ITMS2014+: 313021X329)
Article History
Received: 7 November 2019
Accepted: 20 February 2020
First Online: 3 March 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.