About the Authors

Roberto Censolo

Affiliation University of Ferrara, Ferrara, Italy

Laila Craighero

Affiliation University of Ferrara, Ferrara, Italy

Giovanni Ponti

Affiliation University of Ferrara, Ferrara, Italy

Leonzio Rizzo

Affiliation University of Ferrara, Ferrara, Italy

Rosario Canto

Affiliation University of Ferrara, Ferrara, Italy

Luciano Fadiga

fdl@unife.it

Affiliations University of Ferrara, Ferrara, Italy, The Italian Institute of Technology, Genova, Italy

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: LF RC. Performed the experiments: LC RC LF LR GP. Analyzed the data: LR RC GP RC LF. Wrote the paper: RC LF LC.