Óvári, Attila http://orcid.org/0000-0003-4610-6890
Heckeler, Christoph
Ehrt, Karsten
Bernd, Hans-Edgar
Pau, Hans-Wilhelm
Eiber, Albrecht
Article History
Received: 27 September 2018
Accepted: 1 November 2018
First Online: 8 November 2018
Compliance with ethical standards
:
: All procedures performed in this study involving human participants were in accordance with the ethical standards of the institutional research committee and with the 1964 Helsinki declaration and its later amendments. Informed consent was obtained from all individual participants included in the study.