Hera Antonopoulou
Department of Management Science and Technology, University of Patras, Patras,
Greece

Constantinos Halkiopoulos
Department of Management Science and Technology, University of Patras, Patras,
Greece

Olympia Barlou
Department of Business Administration of Food & Agricultural Enterprises, University of Patras, Patras,
Greece

Grigorios N. Beligiannis
Department of Business Administration of Food & Agricultural Enterprises, University of Patras, Patras,
Greece