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Authors
Ohlerth, Ann-Katrin https://orcid.org/0000-0001-6662-9002
Valentin, Antonio
Vergani, Francesco
Ashkan, Keyoumars
Bastiaanse, Roelien
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Article History
Received: 28 August 2019
Accepted: 25 November 2019
First Online: 10 December 2019
Compliance with ethical standards
:
: The study was conducted with the permission of the local Ethics Committee of the Humanities, University of Groningen.All procedures performed were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: All participants took part voluntarily and filled in a written informed consent. They were not paid.
: The authors declare that they have no conflict of interest.
