About the Authors

Natalia Wagner

Roles Conceptualization, Formal analysis, Investigation, Methodology, Project administration, Resources, Supervision, Visualization, Writing – original draft, Writing – review & editing

n.wagner@pm.szczecin.pl

Affiliation Faculty of Economics and Transport Engineering, Maritime University of Szczecin, Szczecin, Poland

Ewa Hącia

Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Resources, Writing – original draft, Writing – review & editing

Affiliation Faculty of Economics and Transport Engineering, Maritime University of Szczecin, Szczecin, Poland

Aleksandra Łapko

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

Affiliation Faculty of Economics and Transport Engineering, Maritime University of Szczecin, Szczecin, Poland

Roma Strulak-Wójcikiewicz

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

Affiliation Faculty of Economics and Transport Engineering, Maritime University of Szczecin, Szczecin, Poland

Gorana Jelić Mrčelić

Roles Investigation, Resources

Affiliation Faculty of Maritime Studies, University of Split, Split, Croatia

Eli Marušić

Roles Investigation, Resources

Affiliation Faculty of Maritime Studies, University of Split, Split, Croatia

Competing Interests

The authors have declared that no competing interests exist.