Kutsch, J.
Faul, C.
von Scheidt, W.
Schwaiblmair, M.
Berghaus, T. M.
Article History
Received: 31 May 2017
Accepted: 28 December 2017
First Online: 15 January 2018
Ethics approval and consent to participate
: The study was conducted in accordance with current ethical standards and was approved by the ethics committee at the Klinikum Augsburg (reference number 201604).
: Not applicable.
: The authors declare that they have no competing interests.
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