About the Authors

Giovanni Pezzulo

giovanni.pezzulo@istc.cnr.it

Affiliation Institute of Cognitive Sciences and Technologies, National Research Council, Rome, Italy

Francesco Donnarumma

Affiliation Institute of Cognitive Sciences and Technologies, National Research Council, Rome, Italy

Haris Dindo

Affiliation Computer Science Engineering, University of Palermo, Palermo, Italy

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: GP FD HD. Performed the experiments: GP FD HD. Analyzed the data: GP FD HD. Wrote the paper: GP FD HD.