About the Authors

Marian-Gabriel Hâncean

gabriel.hancean@sas.unibuc.ro

Affiliation Department of Sociology, University of Bucharest, Bucharest, Romania

Matjaž Perc

Affiliation Faculty of Natural Sciences and Mathematics, University of Maribor, Maribor, Slovenia

Lazăr Vlăsceanu

Affiliation Department of Sociology, University of Bucharest, Bucharest, Romania

Competing Interests

The authors of this manuscript have the following competing interests: Matjaž Perc is a PLOS ONE Editorial Board member. This does not alter the authors’ adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: MGH MP LV. Performed the experiments: MGH LV. Analyzed the data: MGH LV. Contributed reagents/materials/analysis tools: MGH MP. Contributed to the writing of the manuscript: MGH MP LV.