Klug, Alexander http://orcid.org/0000-0002-2085-1545
Buschbeck, Stefan
Gramlich, Yves
Buckup, Johannes
Hoffmann, Reinhard
Schmidt-Horlohé, Kay
Article History
Received: 27 February 2019
Accepted: 30 May 2019
First Online: 7 June 2019
Compliance with ethical standards
:
: 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.The manuscript has been read and approved by all authors.Each author believes that the manuscript represents honest work.
: The authors declare that they have no conflict of interest.