About the Authors

Simone Pompei

Affiliations Complex Systems Lagrange Lab, Institute for Scientific Interchange (ISI), Torino, Italy, Department of Physics, Università di Torino, Torino, Italy

Vittorio Loreto

Affiliations Complex Systems Lagrange Lab, Institute for Scientific Interchange (ISI), Torino, Italy, Department of Physics, Sapienza Università di Roma, Roma, Italy

Francesca Tria

fra_trig@yahoo.it

Affiliation Complex Systems Lagrange Lab, Institute for Scientific Interchange (ISI), Torino, Italy

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SP VL FT. Performed the experiments: SP VL FT. Analyzed the data: SP VL FT. Contributed reagents/materials/analysis tools: SP VL FT. Wrote the paper: SP VL FT.