Funding for this research was provided by:
Max Planck Institute for Evolutionary Anthropology
Article History
Received: 6 December 2021
Accepted: 24 June 2022
First Online: 28 July 2022
Declarations
:
: The authors declare that they have no conflict of interest.
: As this study is a review of literature, no ethical permission was required.
: As this study is a review of literature, no data were used and no data are available.