About the Authors

Linda Scheider

scheider@zedat.fu-berlin.de

Affiliation Dept. of Education and Psychology, Freie Universität Berlin, Berlin, Germany

Bridget M. Waller

Affiliation Dept. of Psychology, University of Portsmouth, Portsmouth, United Kingdom

Leonardo Oña

Affiliation Dept. of Natural Science and Mathematics, University of Groningen, Groningen, The Netherlands

Anne M. Burrows

Affiliations Dept. of Physical Therapy, Duquesne University, Pittsburgh, Pennsylvania, United States of America, Dept. of Anthropology, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America

Katja Liebal

Affiliation Dept. of Education and Psychology, Freie Universität Berlin, Berlin, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: LS BMW LO AMB KL. Performed the experiments: LS. Analyzed the data: LS BMW LO AMB KL. Contributed reagents/materials/analysis tools: LS BMW LO AMB KL. Wrote the paper: LS BMW LO AMB KL.