Luebke, J. http://orcid.org/0000-0002-3946-5759
Neuburger, M.
Jordan, J. F.
Wecker, T.
Boehringer, D.
Cakir, B.
Reinhard, T.
Anton, A.
Article History
Received: 13 September 2017
Accepted: 1 February 2018
First Online: 9 February 2018
Compliance with ethical standards
:
: None of the authors has any financial or proprietary interest in any of the materials or methods mentioned.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional research committee and with the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards. Informed consent was not needed due to the retrospective nature of the study (confirmed by the local ethics committee, Vote No. 226/15).