About the Authors

Piotr Tomaszewski

piotr.tomaszewski@psych.uw.edu.pl

Affiliation Faculty of Psychology, University of Warsaw, Warsaw, Poland

Competing Interests

The author has declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: PT. Performed the experiments: PT. Analyzed the data: PT. Contributed reagents/materials/analysis tools: PT. Wrote the paper: PT.