About the Authors

Jaakko Kauramäki

To whom correspondence should be addressed. E-mail: Jaakko.Kauramaki@tkk.fi

Affiliation Laboratory of Computational Engineering, Helsinki University of Technology, Espoo, Finland

Iiro P. Jääskeläinen

Affiliation Laboratory of Computational Engineering, Helsinki University of Technology, Espoo, Finland

Mikko Sams

Affiliation Laboratory of Computational Engineering, Helsinki University of Technology, Espoo, Finland

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JK IJ MS. Performed the experiments: JK. Analyzed the data: JK. Wrote the paper: JK IJ MS.