1. Independent Researcher, 41121 Reggio Emilia, Italy
2. Department of Clinical Sciences and Stomatology, Polytechnic University of Marche, 60126 Ancona, Italy
3. Independent Researcher, 16149 Genova, Italy
4. Independent Researcher, 25110 Brescia, Italy
5. Independent Researcher, 74015 Martina Franca, Italy
6. Department of Life, Health and Environmental Sciences, Università degli Studi dell’Aquila, 67100 L’Aquila, Italy