Tewes, Mitra http://orcid.org/0000-0001-8868-8329
Rettler, Teresa
Wolf, Nathalie
Hense, Jörg
Schuler, Martin
Teufel, Martin
Beckmann, Mingo
Article History
Received: 20 January 2018
Accepted: 30 April 2018
First Online: 5 May 2018
Compliance with ethical standards
: All procedures followed were in accordance with the ethical standards of the responsible committee on human experimentation (institutional and national) and with the Helsinki Declaration of 1975, as revised in 2008. The local ethical review committee of the University of Essen approved the data analysis (16-6800-BO). Informed consent was obtained from all patients for being included in the study. This article does not contain any studies with human or animal subjects.
: The authors declare that they have no conflict of interest.