About the Authors

Heikki Takala

Affiliation Department of Biological and Environmental Science and Nanoscience Center, University of Jyväskylä, Jyväskylä, Finland

Jari Ylänne

jylanne@jyu.fi

Affiliation Department of Biological and Environmental Science and Nanoscience Center, University of Jyväskylä, Jyväskylä, Finland

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: HT JY. Performed the experiments: HT. Analyzed the data: HT JY. Wrote the paper: HT JY.