Friedrich, S.
Lüders, S.
Glimm, A. M.
Werner, S. G.
Schmittat, G.
Burmester, G. R.
Backhaus, M.
Riemekasten, G.
Ohrndorf, S.
Article History
Received: 19 December 2018
Accepted: 25 March 2019
First Online: 15 April 2019
Ethics approval and consent to participate
: The local ethics committee of the Charité – Universitätsmedizin Berlin, granted ethical approval (reference no. EA1/269/13). Signed informed consent to participate was obtained from all patients.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.