Kühl, Susanne J. https://orcid.org/0000-0003-3892-3671
Schneider, Achim
Kestler, Hans A.
Toberer, Matthias
Kühl, Michael
Fischer, Martin R.
Funding for this research was provided by:
Medical Faculty of Ulm University
Article History
Received: 23 November 2017
Accepted: 15 February 2019
First Online: 28 February 2019
Ethics approval and consent to participate
: The ethics committee of Ulm University confirmed that no approval was required for this study. We affirm that we obtained verbal informed consent from all participants in this study.
: Not applicable.
: The authors declare that they have no competing interests.
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