Pepke, W.
Almansour, H.
Lafage, R.
Diebo, B. G.
Wiedenhöfer, B.
Schwab, F.
Lafage, V.
Akbar, M.
Article History
Received: 30 January 2018
Accepted: 4 January 2019
First Online: 15 January 2019
Ethics approval and consent to participate
: The ethics committee of the medical faculty of Heidelberg University approved this study.Vote no. S-378/2016Radiographs of our study cohort were conducted routinely. i.e. no additional radiographs were performed in the context of this study. These radiographs were retrospectively analysed. Hence, no informed consent was required to perform this study.
: Not applicable.
: The authors declare that they have no competing interests.
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