About the Authors

Witold Orzeszko

Contributed equally to this work with: Witold Orzeszko, Dariusz Piotrowski

Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Software, Supervision, Validation, Visualization, Writing – original draft, Writing – review & editing

witold.orzeszko@umk.pl

Affiliation Department of Applied Informatics and Mathematics in Economics, Nicolaus Copernicus University, Toruń, Poland

Dariusz Piotrowski

Contributed equally to this work with: Witold Orzeszko, Dariusz Piotrowski

Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Resources, Supervision, Validation, Visualization, Writing – original draft, Writing – review & editing

Affiliation Department of Financial Management, Nicolaus Copernicus University, Toruń, Poland

Competing Interests

The authors have declared that no competing interests exist.