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Article History

Received: 25 January 2019

Accepted: 10 April 2019

First Online: 30 April 2019

Ethics approval and consent to participate

: This study was approved by the Ethics committee of the Medical Faculty of the University of Leipzig, Germany (ID: 111–17-ek) and is conducted in accordance with the Declaration of Helsinki and the ICH guidelines for Good Clinical Practice (GCP). All participants will be informed verbally and in written about the aims and practical implementation of the study. This also includes a clarification about data security according to latest legal standards. Participants’ inclusion will only be allowed after agreement to the written informed consent. Participation is completely optional and can be terminated at any point without consequences.

: Written informed consent for publication of study results based on the de-identified data collected from participants during trial participation is obtained upon enrollment.

: The authors declare that they have no competing interests.

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