Text and Data Mining valid from 2018-11-06
Received: 15 March 2018
Accepted: 24 October 2018
First Online: 6 November 2018
Ethics approval and consent to participate
: Ethical approval has been obtained from the Ethics Commission of the Legal Department of the Hessen Regional Medical Council (Germany) (reference number: FF175/2016). The trial is registered at drks.de (ID: DRKS00011390) prior to starting recruitment. Patients will be informed about the possible risks and benefits of the study. Participation in this study will be voluntary. Written informed consent will be obtained from all patients.
: Not applicable.
: The authors declare that they have no competing interests.
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