By: Georgios Sofianidis, Dimitris Dardanis, Spyros Theodoropoulos, Dimosthenis Kyriazis / UNIVERSITY OF PIRAEUS RESEARCH CENTER

By: Paolo Pedrazzoli, Andrea Bettoni, Elias Montini / SUPSI, SPS lab

By: Patrik Zajec, Jože M. Rožanec, Inna Novalija, Blaž Fortuna, Klemen Kenda, Dunja Mladenić and Kim Sevšek / JSI

By: Hooman Tavakoli Ghinani and Volkan Gezer, DFKI

By: Andrea Ferretto Parodi, GFT Italy

By: Mihail Fontul, IBER-Oleff