**Author details**

Marcello Cabibbo1\*, Archimede Forcellese1 and Michela Simoncini2

\*Address all correspondence to: m.cabibbo@univpm.it

1 DIISM – Department of Industrial Engineering and Mathematics, Marche Polytechnic University, Ancona, Italy

2 Università degli Studi e-Campus, Novedrate, Italy
