About the Authors

Karel Kleisner

kleisner@seznam.cz

Affiliation Department of Philosophy and History of Science, Charles University in Prague, Prague, Czech Republic

Lenka Priplatova

Affiliation Department of Philosophy and History of Science, Charles University in Prague, Prague, Czech Republic

Peter Frost

Affiliation Department of Anthropology, Université Laval, Quebec City, Canada

Jaroslav Flegr

Affiliation Department of Philosophy and History of Science, Charles University in Prague, Prague, Czech Republic

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: KK JF. Performed the experiments: KK LP. Analyzed the data: KK. Wrote the paper: KK PF JF.