Funding for this research was provided by:
Horizon 2020 (6342388)
Staatssekretariat für Bildung, Forschung und Innovation (15.0137)
Received: 8 June 2020
Accepted: 14 September 2020
First Online: 29 September 2020
Ethics approval and consent to participate
: The local Ethics Committees in Switzerland, Ireland, The Netherlands, and Belgium approved this study.
: Not applicable.
: The authors declare that they have no competing interests.