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Authors
Moritz, Andreas
Schmidt, Joachim
Schreiner, Waldemar
Birkholz, Torsten
Sirbu, Horia
Irouschek, Andrea
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Article History
Received: 1 April 2019
Accepted: 3 June 2019
First Online: 19 June 2019
Ethics approval and consent to participate
: The present study was evaluated and approved by the institutional ethics committee (Ethics Committee of the Friedrich-Alexander University Erlangen-Nürnberg; reference number: 4590). Written informed consent was obtained from all individual participants included in the study.
: Not applicable.
: The authors declare that they have no competing interests.
