About the Authors

Julie Novakova

julie.novakova@gmail.com

Affiliation Biology Department, The Faculty of Science, Charles University, Prague, Czech Republic

Jaroslav Flegr

Affiliation Biology Department, The Faculty of Science, Charles University, Prague, Czech Republic

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JF JN. Performed the experiments: JF JN. Analyzed the data: JN JF. Wrote the paper: JN.