About the Authors

Vonne van Polanen

v.van.polanen@vu.nl

Affiliation Helmholtz Institute, Utrecht University, Utrecht, The Netherlands

Wouter M. Bergmann Tiest

Affiliation Helmholtz Institute, Utrecht University, Utrecht, The Netherlands

Astrid M. L. Kappers

Affiliation Helmholtz Institute, Utrecht University, Utrecht, The Netherlands

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

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