About the Authors

Antonio Scialdone

Affiliations Dipartimento di Scienze Fisiche, Università di Napoli “Federico II”, Naples, Italy, INFN, Naples, Italy

Mario Nicodemi

mario.nicodemi@na.infn.it

Affiliations INFN, Naples, Italy, Department of Physics and Complexity Science, University of Warwick, Coventry, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AS MN. Performed the experiments: AS MN. Analyzed the data: AS MN. Contributed reagents/materials/analysis tools: AS MN. Wrote the paper: AS MN.