Funding for this research was provided by:
deutsche forschungsgemeinschaft (196253076)
Article History
Received: 17 June 2021
Accepted: 3 July 2021
First Online: 24 July 2021
Declarations
:
: This manuscript has associated data in a data repository. [Authors’ comment: All the videos analysed for this article and the extracted raw data can be found in ExternalRef removed.]