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

Leonidas Theodorakopoulos
Department of Management Science and Technology, University of Patras,
Greece

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

Vicky Mamalougkou
Department of Management Science and Technology, University of Patras,
Greece