About the Authors

Anssi Rantasalo

Affiliation VTT Technical Research Centre of Finland, P.O. Box 1000, FI-02044 VTT, Espoo, Finland

Elena Czeizler

Affiliation Helsinki Institute for Information Technology HIIT, Department of Computer Science, Aalto University, P.O. Box 15400, FI-00076 Aalto, Espoo, Finland

Riitta Virtanen

Affiliation VTT Technical Research Centre of Finland, P.O. Box 1000, FI-02044 VTT, Espoo, Finland

Juho Rousu

Affiliation Helsinki Institute for Information Technology HIIT, Department of Computer Science, Aalto University, P.O. Box 15400, FI-00076 Aalto, Espoo, Finland

Harri Lähdesmäki

Affiliation Aalto University, Department of Computer Science, P.O. Box 15400, FI-00076 Aalto, Espoo, Finland

Merja Penttilä

Affiliation VTT Technical Research Centre of Finland, P.O. Box 1000, FI-02044 VTT, Espoo, Finland

Jussi Jäntti

Contributed equally to this work with: Jussi Jäntti, Dominik Mojzita

Affiliation VTT Technical Research Centre of Finland, P.O. Box 1000, FI-02044 VTT, Espoo, Finland

Dominik Mojzita

Contributed equally to this work with: Jussi Jäntti, Dominik Mojzita

dominik.mojzita@vtt.fi

Affiliation VTT Technical Research Centre of Finland, P.O. Box 1000, FI-02044 VTT, Espoo, Finland

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: DM JJ EC MP JR HL. Performed the experiments: AR DM EC RV. Analyzed the data: DM AR EC JJ. Wrote the paper: DM JJ EC.