Mader, Marius Marc-Daniel http://orcid.org/0000-0002-7467-9672
Rotermund, Roman
Martens, Tobias
Westphal, Manfred
Matschke, Jakob
Abboud, Tammam
Article History
Received: 28 June 2018
Accepted: 3 October 2018
First Online: 2 November 2018
Compliance with ethical standards
:
: The authors 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. For this type of study formal consent is not required.