About the Authors

Alessio Emanuele Biondo

ae.biondo@unict.it

Affiliation Department of Economics and Business, University of Catania, Corso Italia 55, 95129 Catania, Italy

Alfio Giarlotta

Affiliation Department of Economics and Business, University of Catania, Corso Italia 55, 95129 Catania, Italy

Alessandro Pluchino

Affiliations Department of Physics and Astronomy, University of Catania, Via S. Sofia 64, 95123 Catania, Italy, INFN Section of Catania, Via S. Sofia 64, 95123 Catania, Italy

Andrea Rapisarda

Affiliations Department of Physics and Astronomy, University of Catania, Via S. Sofia 64, 95123 Catania, Italy, INFN Section of Catania, Via S. Sofia 64, 95123 Catania, Italy

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AEB AG AP. Performed the experiments: AEB AP. Contributed reagents/materials/analysis tools: AEB AG AP. Wrote the paper: AEB AG AP AR.