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Authors
Wang, Hongling
Stahl, Frank
Scheper, Thomas https://orcid.org/0000-0003-1535-4584
Steffens, Melanie
Warnecke, Athanasia
Zeilinger, Carsten
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Funding
Funding for this research was provided by:
Beijing Higher Education Young Elite Teacher Project
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Article History
Received: 25 February 2019
Accepted: 24 August 2019
First Online: 19 September 2019
Competing Interests
: The authors declare no competing interests.
