About the Authors

Elina E. Helander

Affiliation Department of Signal Processing, Tampere University of Technology, Tampere, Finland

Anna-Leena Vuorinen

anna-leena.vuorinen@vtt.fi

Affiliation VTT Technical Research Centre of Finland, Tampere, Finland

Brian Wansink

Affiliation Charles S. Dyson School of Applied Economics and Management, Cornell University, Ithaca, New York, United States of America

Ilkka K. J. Korhonen

Affiliations Department of Signal Processing, Tampere University of Technology, Tampere, Finland, VTT Technical Research Centre of Finland, Tampere, Finland

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: EH IK BW. Performed the experiments: EH AV. Analyzed the data: EH AV. Contributed reagents/materials/analysis tools: EH AV BW IK. Wrote the paper: EH AV BW IK.