About the Authors

Markku Kuismin

Affiliation Department of Mathematical Sciences, University of Oulu, Oulu, Finland

Mikko J. Sillanpää

mikko.sillanpaa@oulu.fi

Affiliations Department of Mathematical Sciences, University of Oulu, Oulu, Finland, Biocenter, Oulu, Finland

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

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