Mehlan, Juliane
Linke, Stephan Johannes
Skevas, Christos
Steinberg, Johannes
Giannakakis, Konstantinos
Katz, Toam
Article History
Received: 24 February 2018
Revised: 18 July 2018
Accepted: 23 July 2018
First Online: 3 August 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.