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Authors
Zahno, Stephan https://orcid.org/0000-0003-4633-9950
Hossner, Ernst-Joachim
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Funding
Funding for this research was provided by:
University of Bern
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Article History
Received: 23 December 2021
Accepted: 20 July 2022
First Online: 24 August 2022
Declarations
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: S. Zahno and E-J. Hossner declare that they have no competing interests.
: The study was approved by the University’s ethics committee and carried out in accordance with the 1975 Helsinki declaration. Permission to participate was obtained from all participants’ parents in advance.
