Machacova, Katerina
Maier, Martin http://orcid.org/0000-0002-7959-0108
Svobodova, Katerina
Lang, Friederike
Urban, Otmar
Article History
Received: 17 July 2017
Accepted: 29 September 2017
First Online: 16 October 2017
Competing Interests
: The authors declare that they have no competing interests.