Funding for this research was provided by:
Ministerstvo Školství, Mládeže a Tělovýchovy (LTC17005, LTC18041)
Article History
Received: 18 June 2019
Revised: 23 July 2019
Accepted: 24 July 2019
First Online: 10 August 2019
Compliance with ethical standards
: This article does not contain any studies with human participants or animals performed by any of the authors.
: The authors declare that they have no conflict of interest.