Gingrich, Anne
Volkert, Dorothee
Kiesswetter, Eva
Thomanek, Marta
Bach, Svenja
Sieber, Cornel C.
Zopf, Yurdagül
Article History
Received: 27 March 2018
Accepted: 24 March 2019
First Online: 27 April 2019
Ethics approval and consent to participate
: The study was approved by the ethics committee of the Friedrich-Alexander-Universität Erlangen-Nürnberg. All participants signed an informed consent form.
: Not applicable.
: All authors declare that they have no conflicts of interest.
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