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Authors
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Funding
Funding for this research was provided by:
German Research Foundation (HA 6314/3-1)
German Research Foundation (HA 6314/4-1)
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Article History
Received: 5 August 2020
Accepted: 16 December 2020
First Online: 30 January 2021
Compliance with ethical standards
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: The authors declare that there is no conflict of interest.
: The study protocol conformed to the principles of the Declaration of Helsinki and was approved by the local ethics committee at the University of Leipzig. (Ethics approval number: 155/17-ek).
: Informed consent was obtained from all individual participants included in the study.
