Funding for this research was provided by:
Agentúra na Podporu Výskumu a Vývoja (APVV-0212-12, APVV-0170-17)
Vedecká Grantová Agentúra MŠVVaŠ SR a SAV (1/0085/17, 2/0034/16)
Received: 31 May 2018
Accepted: 8 November 2018
First Online: 22 November 2018
Free to read: This content has been made available to all.