About the Authors
Bruno Kessler Foundation, Trento, Italy
Department of Statistics and Mathematics Applied to Economics, University of Pisa, Pisa, Italy
Department of Health Sciences and College of Computer and Information Sciences, Northeastern University, Boston, Massachusetts, United States of America
Institute for Quantitative Social Sciences at Harvard University, Cambridge, Massachusetts, United States of America
Institute for Scientific Interchange Foundation, Turin, Italy
The authors have declared that no competing interests exist.
Conceived and designed the experiments: MA PM AV SM. Performed the experiments: LF MA. Analyzed the data: LF MA PM AV SM. Wrote the paper: LF MA PM AV SM. Developed the model: LF MA SM.