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Authors
Krebs, Georg
Becker, Thomas
Gastl, Martina
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Funding
Funding for this research was provided by:
This research project was supported by the German Ministry of Economics and Technology (via AiF) and the WiFö (Wissenschaftförderung der Deutschen Brauwirtschaft e. V.) project AiF 18563 N. (This research project was supported by the German)
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Article History
Received: 13 December 2019
Revised: 10 March 2020
Accepted: 14 March 2020
First Online: 1 April 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
