Amici, Federica
Kulik, Lars
Langos, Doreen
Widdig, Anja
Funding for this research was provided by:
Max Planck Institute for Evolutionary Anthropology
Article History
Received: 18 April 2018
Revised: 28 November 2018
Accepted: 4 December 2018
First Online: 25 January 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.