About the Authors

Alessandro Chessa

Affiliation IMT Institute for Advanced Studies, Lucca, Italy

Irene Crimaldi

Affiliation IMT Institute for Advanced Studies, Lucca, Italy

Massimo Riccaboni

Affiliation IMT Institute for Advanced Studies, Lucca, Italy

Luca Trapin

luca.trapin@imtlucca.it

Affiliation IMT Institute for Advanced Studies, Lucca, Italy

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: IC MR LT. Performed the experiments: AC LT. Analyzed the data: AC IC MR LT. Wrote the paper: IC MR LT. Contributed analysis tools and methodology: IC LT.