Nasser Alqhtani*, Ahmad Ali Alshadwi, Adel Al-Zahrani, Rana Saud Alshagroud,, Ali Al Rafedah, Abdullatif Al Abdulsalam, Abdulrahman Almalki and Salah Sakka
Nicolas Papalexis, Federico Ponti, Raffaella Rinaldi, Giuliano Peta, Riccardo Bruno, Marco Miceli, Milva Battaglia, Alessandro Marinelli and Paolo Spinnato*