Funding for this research was provided by:
Bundesministerium für Bildung und Forschung (01IO1616)
Leibniz-Institut für Wissensmedien
Article History
Received: 31 January 2021
Accepted: 1 April 2021
First Online: 13 April 2021
Declarations
:
: The experimental procedure was approved by the institutional review board of the Leibniz-Institut für Wissensmedien (LEK 2017/049). All participants signed informed consent prior to testing.
: All depicted persons in Fig. agreed with the publication of the image.
: The authors declared they have no conflicts of interest with respect to their authorship and the publication of this article.