Borkowetz, Angelika http://orcid.org/0000-0001-7257-0238
,
Bruendl, Johannes
Drerup, Martin
Herrmann, Jonas
Isbarn, Hendrik
Beyer, Burkhard
Article History
Received: 12 November 2017
Accepted: 19 January 2018
First Online: 9 February 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 research committee and with the 1964 Helsinki declaration and its later amendments or comparable standards. For this type of study formal consent is not required. This article does not contain any studies with or animals performed by any of the authors.
: Informed consent was obtained from all individual participants included in the study.