Askitis, Dimitrios https://orcid.org/0000-0003-3844-8348
Tsitlakidis, Damianos
Müller, Nicolle
Waschke, Albrecht
Wolf, Gunter
Müller, Ulrich Alfons
Kloos, Christof
Article History
Received: 2 December 2017
Accepted: 26 February 2018
First Online: 12 March 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This article does not contain any studies with human participants or animals performed by any of the authors.
: Informed consent was obtained from all individual participants included in the study and the Regional Ethical Committee approved the study.