Gál, Peter http://orcid.org/0000-0002-3398-3408
Stausholm, Martin Bjørn
Kováč, Ivan
Dosedla, Erik
Luczy, Ján
Sabol, František
Bjordal, Jan Magnus
Article History
Received: 5 February 2018
Accepted: 23 March 2018
First Online: 30 March 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: Not applicable.