Hlaváč, Michal
Knoll, Andreas
Etzrodt-Walter, Gwendolin
Sommer, Fabian
Scheithauer, Marc
Coburger, Jan
Wirtz, Christian Rainer
Pala, Andrej http://orcid.org/0000-0001-6653-701X
Article History
Received: 9 November 2018
Revised: 4 March 2019
Accepted: 27 March 2019
First Online: 4 April 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The study was conducted according to the International Declaration of Helsinki. The approval of the local ethics committee has been obtained (Nr.365/18).