About the Authors

Patrik Lindenfors

Patrik.Lindenfors@zoologi.su.se

Affiliations Centre for the Study of Cultural Evolution, Stockholm University, Stockholm, Sweden, Department of Zoology, Stockholm University, Stockholm, Sweden

Fredrik Jansson

Affiliations Centre for the Study of Cultural Evolution, Stockholm University, Stockholm, Sweden, Division of Applied Mathematics; School of Education, Culture and Communication, Mälardalen University, Västerås, Sweden

Mikael Sandberg

Affiliations Centre for the Study of Cultural Evolution, Stockholm University, Stockholm, Sweden, School of Social and Health Sciences, Halmstad University, Halmstad, Sweden

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Analyzed the data: PL FJ. Wrote the paper: PL FJ MS.