Ehrentraut, Stefan Felix
Schroll, Barbara
Lenkeit, Stefan
Ehrentraut, Heidi
Bode, Christian
Kreyer, Stefan
Kögl, Florian
Lehmann, Felix
Muders, Thomas
Scholz, Martin
Strater, Claudia
Steinhagen, Folkert
Theuerkauf, Nils Ulrich
Weißbrich, Carsten
Putensen, Christian
Schewe, Jens-Christian http://orcid.org/0000-0002-6408-0607
Article History
Received: 17 October 2018
Accepted: 16 January 2019
First Online: 31 January 2019
Ethics approval and consent to participate
: Due to the retrospective nature of the data, no approval from the local ethics committee was required. Furthermore, no data can be traced to any individual. The local Ethics committee waived necessity for ethics approval (Bonn Medical Faculty Ethics Committee # 084/18).
: Not applicable
: The authors declare that they have no competing interests.
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