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Authors
Schröder, Lars https://orcid.org/0000-0001-6908-989X
Fricker, Roland
Stein, Roland Gregor
Rink, Thomas
Fitz, Hartmut
Blasius, Sebastian
Wöckel, Achim
Müller, Thomas
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Article History
Received: 13 October 2017
Accepted: 21 March 2018
First Online: 29 March 2018
Compliance with ethical standards
:
: The authors did not report any potential conflicts of interest.
: All procedures 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. For this type of study, formal consent is not required.
: Due to the strictly anonymous evaluation of data, the ethics committee of the Medical Council of the State of Hesse, Germany, which is the committee responsible for the review of studies according to German law, has approved the consent procedure and specifically approved this study (no informed consent required).
