Winkelmann, M. http://orcid.org/0000-0003-4348-5725
Soechtig, W.
Macke, C.
Schroeter, C.
Clausen, J. D.
Zeckey, C.
Krettek, C.
Mommsen, P.
Article History
Received: 6 August 2017
Accepted: 26 December 2017
First Online: 9 January 2018
Compliance with ethical standards
:
: Marcel Winkelmann, Wiebke Soechtig, Christian Macke, Christian Schroeter, Jan-Dierk Clausen, Christian Zeckey, Christian Krettek and Philipp Mommsen 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.