**Author details**

Claudia Cappello, Sabrina Maggio∗, Daniela Pellegrino and Donato Posa

\*Address all correspondence to: sabrina.maggio@unisalento.it

University of Salento, Dept. of Management, Economics, Mathematics and Statistics, Italy

## **References**


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**Author details**

Italy

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Claudia Cappello, Sabrina Maggio∗, Daniela Pellegrino and Donato Posa

University of Salento, Dept. of Management, Economics, Mathematics and Statistics,

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\*Address all correspondence to: sabrina.maggio@unisalento.it

