1. Department of Electronic Engineering, Faculty of Engineering and Physical Sciences, University of Surrey, Guildford, United Kingdom.
2. Fakulti Kejuruteraan dan Alam Bina, Centre for Integrated Systems Engineering and Advanced Technologies (Integra), Universiti Kebangsaan Malaysia, Bangi, Malaysia.
3. Department of Mechanical Engineering Sciences, Faculty of Engineering and Physical Sciences, University of Surrey, Guildford, United Kingdom.
4. Przemyslowy Instytut Automatyki i Pomiarow, Warsaw, Poland.