1. Department of Agricultural Economics, School of Agriculture, Aristotle University of Thessaloniki, Thessaloniki, Greece
2. Department of Supply Chain Management, International Hellenic University, Katerini, Greece
3. Department of Economics and Law, University of Cassino and Southern Lazio, Cassino, FR, Italy
4. Department of Agricultural and Food Sciences, Alma Mater Studiorum – Università di Bologna, Bologna, Italy