About the Authors

Alessandro Marra

Roles Conceptualization, Formal analysis, Investigation, Methodology, Supervision, Writing – original draft, Writing – review & editing

alessandro.marra@unich.it

Affiliations Department of Economics, University d’Annunzio of Chieti and Pescara, Pescara, Italy, Explo, academic spinoff, University d’Annunzio of Chieti and Pescara, Pescara, Italy

Cristiano Baldassari

Roles Conceptualization, Data curation, Methodology, Resources, Software, Validation, Visualization

Affiliations Explo, academic spinoff, University d’Annunzio of Chieti and Pescara, Pescara, Italy, Department of Neuroscience, University d’Annunzio of Chieti and Pescara, Chieti, Italy

Competing Interests

The authors AM and CB founded the academic spinoff Explo. Explo is specialized on text analytics. This does not alter our adherence to PLOS ONE policies on sharing materials and data. Explo does not have any patent, patent application, or product in development or for market related to the research article.