Kirchner, T.
Marquardt, S.
Werncke, T.
Kirstein, M. M.
Brunkhorst, T.
Wacker, F.
Vogel, A.
Rodt, Thomas
Article History
First Online: 11 October 2018
Compliance with ethical standards
:
: This study was not supported by any funding.
: The authors declared 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. Consent for publication was obtained for every individual person’s data included in the study.