Bokrova, Jitka
Marova, Ivana
Matouskova, Petra
Pavelkova, Renata
Funding for this research was provided by:
Ministerstvo Školství, Mládeže a Tělovýchovy ('Materials Research Centre – Sustainability and Development' No. LO1211 of the Ministry of Education, Youth and Sport of the Czech Republic.)
Article History
Received: 29 October 2018
Accepted: 11 February 2019
First Online: 5 March 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.