Funding for this research was provided by:
H2020 Marie Skłodowska-Curie Actions (813196)
Article History
Received: 5 July 2020
Accepted: 26 January 2021
First Online: 5 February 2021
Ethics approval and consent to participate
: Since the methodological process consists of reviewing and collecting data from publicly available materials, this study does not require approval from a research ethics board.
: Not applicable
: The authors declare no competing interests.