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Authors
Ulmar, Benjamin
Wölfle-Roos, Julia
Kocak, Tugrul
Brunner, Alexander https://orcid.org/0000-0002-6115-6119
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Article History
Received: 30 June 2019
Accepted: 2 October 2019
First Online: 27 October 2019
Ethics approval and consent to participate
: The present study was approved by the ethical committee of the medical faculty of the University of Ulm, Germany (process no. 423/15). Written consent to participate was obtained from all patients included into the study.
: Not applicable.
: The authors declare that they have no competing interests.
