1. Department of Management Science and Technology, University of Western Macedonia, GR50100 Kozani, Greece
2. Department of Business Administration and Tourism, Hellenic Mediterranean University, GR71410 Heraklion, Greece
3. Department of Economics and Business, Neapolis University Pafos, Pafos 8042, Cyprus
4. Department of Accounting and Finance, University of Western Macedonia, GR50100 Kozani, Greece
5. Department of Business Administration, University of West Attica, GR12241 Athens, Greece