1. Department of Engineering for Innovation, University of Salento, Edificio P, Campus Ecotekne, s.p. 6 Lecce-Monteroni, 73100 Lecce, Italy
2. Department of Cultural Heritage, University of Salento, via D. Birago 64, 73100 Lecce, Italy
3. AIJU, Technological Institute for Children’s Products and Leisure, Ibi, 03440 Alicante, Spain