Funding for this research was provided by:
Brno University of Technology (No. FCH-S—19-5983)
Article History
Received: 9 June 2019
Revised: 14 December 2019
Accepted: 21 December 2019
First Online: 9 January 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This article does not contain any studies with human or animal subjects.