Meyer-Kobbe, Viktoria http://orcid.org/0000-0003-1305-0552
Doll, Katharina
Stiesch, Meike
Schwestka-Polly, Rainer
Demling, Anton
Article History
Received: 27 October 2018
Accepted: 9 November 2018
First Online: 10 December 2018
Compliance with ethical guidelines
:
: V. Meyer-Kobbe, K. Doll, M. Stiesch, R. Schwestka-Polly and A. Demling declare that they have no competing interests.
: 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 1975 Helsinki declaration and its later amendments or comparable ethical standards. Informed consent was obtained from all individual participants included in the study.