Article History
Received: 24 September 2018
Accepted: 3 January 2019
First Online: 23 January 2019
Ethics approval and consent to participate
: The study has been approved by the German Society for Psychology (DGPs) (ID: SM 092017_amd_012014_2b). Electronic informed consent to participate in the study is being obtained from every participant.
: Not applicable
: The authors declare that they have no competing interests.
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