Funding for this research was provided by:
Czech Science Fundation (P505/12/G112)
Article History
Received: 5 September 2017
Accepted: 19 December 2017
First Online: 24 January 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All applicable institutional, national and international guidelines for the care and use of animals were followed.