Brandlhuber, Martina
Genzinger, Christian
Brandlhuber, Bernhard
Sommer, Wieland H.
Müller, Mario H.
Kreis, Martin E.
Article History
Accepted: 14 January 2018
First Online: 3 February 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.