About the Authors

Krzysztof Łobos

Roles Conceptualization, Methodology, Writing – original draft, Writing – review & editing

krzysztof.lobos@wsb.wroclaw.pl

Affiliation WSB University in Wrocław, Wrocław, Poland

Magdalena Wojciech

Roles Data curation, Formal analysis, Methodology

Affiliation Faculty of Mathematics, Department of Mathematical Statistics and Econometrics, Computer Science and Econometrics, University of Zielona Góra, Zielona Góra, Poland

Competing Interests

The authors have declared that no competing interests exist.