1. Department of Agricultural Development, Agri-Food and Natural Resources Management, School of Agricultural Development, Nutrition and Sustainability, National and Kapodistrian University of Athens (UoA), 34400 Psachna, Greece
2. Department of Methods and Models for Territory, Economics and Finance (MEMOTEF), Faculty of Economics, Sapienza University of Rome, Via del Castro Laurenziano 9, 00161 Rome, Italy
3. School of Environment, Geography and Applied Economics, Harokopio University (HUA), 17676 Kallithea, Greece
4. Department of Regional and Economic Development, School of Applied Economics and Social Sciences, Agricultural University of Athens (AUA), 33100 Amfissa, Greece