Barié, Alexander http://orcid.org/0000-0002-6548-5606
Ehmann, Yannick
Jaber, Ayham
Huber, Jürgen
Streich, Nikolaus A.
Article History
Received: 22 June 2018
Accepted: 25 February 2019
First Online: 1 March 2019
Compliance with ethical standards
:
: The authors declare that they have no competing interests.
: This study has been approved by the appropriate ethics committee in Heidelberg University in Germany (registration number: S-482/14) and has therefore been performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki. All persons gave their informed consent prior to their inclusion in the study.