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Authors
Treutwein, Marius https://orcid.org/0000-0002-6538-9980
Steger, Felix
Loeschel, Rainer
Koelbl, Oliver
Dobler, Barbara
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Funding
Funding for this research was provided by:
Bayerisches Staatsministerium für Umwelt und Verbraucherschutz (83a-U8816.04-2013/4-18)
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Article History
Received: 10 July 2019
Accepted: 13 January 2020
First Online: 3 February 2020
Ethics approval and consent to participate
: Written informed consent was gained from the patients. The survey was approved by the Ethical Committee of the University of Regensburg.
: Not applicable.
: The authors declare that they have no competing interests.
