1. University of Perugia; Civil and Environmental Engineering Department; UdR INSTM, Strada di Pentima 4 05100 Terni Italy
2. University of Trento; Laboratory of Bio-Inspired and Graphene Nanomechanics, Department of Civil, Environmental and Mechanical Engineering; Trento Italy
3. Queen Mary University of London; School of Engineering and Materials Science; Mile End Road London UK
4. E. Amaldi Foundation, Italian Space Agency; Ket Lab; via del Politecnico snc 00133 Roma Italy