About the Authors

Walter Quattrociocchi

Affiliations Laboratory for the modeling of biological and socio-technical systems, Northeastern University, Boston, Massachusetts, United States of America, LIMS the London Institute of Mathematical Sciences, Mayfair, London, United Kingdom, IMT Alti Studi Lucca, Lucca, Italy

Guido Caldarelli

Affiliations IMT Alti Studi Lucca, Lucca, Italy, ISC-CNR Uos “Sapienza”, Roma, Italy, LIMS the London Institute of Mathematical Sciences, Mayfair, London, United Kingdom

Antonio Scala

antonio.scala@cnr.it

Affiliations ISC-CNR Uos “Sapienza”, Roma, Italy, IMT Alti Studi Lucca, Lucca, Italy, LIMS the London Institute of Mathematical Sciences, Mayfair, London, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

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