About the Authors

Artturi Koivuniemi

artturi.koivuniemi@vtt.fi

Affiliation Department of Physics, Tampere University of Technology, Tampere, Finland

Timo Vuorela

Affiliation Department of Physics, Tampere University of Technology, Tampere, Finland

Petri T. Kovanen

Affiliation Wihuri Research Institute, Helsinki, Finland

Ilpo Vattulainen

Affiliations Department of Physics, Tampere University of Technology, Tampere, Finland, Department of Applied Physics, Aalto University School of Science and Technology, Espoo, Finland, MEMPHYS – Centre for Biomembrane Physics, University of Southern Denmark, Odense, Denmark

Marja T. Hyvönen

Affiliations Department of Applied Physics, Aalto University School of Science and Technology, Espoo, Finland, Department of Physics, University of Oulu, Oulu, Finland

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AK TV PK IV MH. Performed the experiments: AK TV. Analyzed the data: AK. Contributed reagents/materials/analysis tools: AK TV. Wrote the paper: AK TV PK IV MH.