Anna Saiti, Department of Home Economics and Ecology, School of Environment, Geography and Applied Economics, Harokopio University (HUA), Greece, Laboratory of Technology and Information Processing, Harokopio University (HUA), Greece, Email: 

Ioannis E. Kostakis, Department of Home Economics and Ecology, School of Environment, Geography and Applied Economics, Harokopio University (HUA), Greece

Anna Gliati, Department of Home Economics and Ecology, School of Environment, Geography and Applied Economics, Harokopio University (HUA), Greece

Christos Stamopoulos, Department of Home Economics and Ecology, School of Environment, Geography and Applied Economics, Harokopio University (HUA), Greece