Beutel, Till Fabian
Zwerenz, Rüdiger
Michal, Matthias
Article History
Received: 18 June 2018
Accepted: 16 November 2018
First Online: 4 December 2018
Ethics approval and consent to participate
: The authors ensure that the work has been carried out in accordance with the Declaration of Helsinki. The work contains routine data, which are collected routinely. For that reason and as the data is published in anonymous form this publication is approved by the Ethics Committee of the State Board of Physicians of Rhineland-Palatinate, Mainz, Germany. The legal provision refers to the Landeskrankenhausgesetz §§36 and §§37. Written informed consent was obtained by the patients.
: Not applicable.
: The authors declare that they have no competing interests.
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