Meyer, Moritz F.
Korthäuer, Christine
Jansen, Stefanie
Hüttenbrink, Karl-Bernd
Beutner, Dirk
Article History
Received: 31 December 2017
Accepted: 14 March 2018
First Online: 17 March 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.