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Authors
Huppert, Doreen
Grill, Eva
Brandt, Thomas
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Funding
Funding for this research was provided by:
Bundesministerium für Bildung und Forschung (01 EO 1401, 01 EO 1401, 01 EO 1401)
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Article History
Received: 27 March 2019
Revised: 18 April 2019
Accepted: 23 April 2019
First Online: 13 May 2019
Compliance with ethical standards
:
: Authors declare that they have no conflict of interest.
: The authors state that they complied with ethical standards and the study was in accord with the Helsinki declaration.
