About the Authors

Bartolomeo Della Ventura

Affiliation Department of Physics “Ettore Pancini”, University of Naples “Federico II”, Naples, Italy

Marco Iannaccone

Affiliation Department of Agriculture, University of Naples “Federico II”, Portici, Italy

Riccardo Funari

Affiliation Department of Physics “Ettore Pancini”, University of Naples “Federico II”, Naples, Italy

Massimo Pica Ciamarra

Affiliations Division of Physics and Applied Physics, School of Mathematical Sciences, Nanyang Technological University, Singapore, Singapore, CNR-SPIN, University of Naples “Federico II”, Naples, Italy

Carlo Altucci

Affiliation Department of Physics “Ettore Pancini”, University of Naples “Federico II”, Naples, Italy

Rosanna Capparelli

Affiliation Department of Agriculture, University of Naples “Federico II”, Portici, Italy

Sante Roperto

Affiliation Department of Agriculture, University of Naples “Federico II”, Portici, Italy

Raffaele Velotta

rvelotta@unina.it

Affiliation Department of Physics “Ettore Pancini”, University of Naples “Federico II”, Naples, Italy

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceptualization: BDV MI RC RV. Methodology: BDV MI RF SR. Validation: BDV MPC RF SR CA. Writing – original draft: MPC CA RC RV. Writing – review & editing: MPC CA RC RV.