1. Department of Electric, Electronic and Systems Engineering, Universiti Kebangsaan Malaysia, Bangi, Malaysia
2. Department of Electrical and Electronic Engineering, Xiamen University Malaysia, Sepang, Malaysia
3. Faculty of Engineering, Universiti Putra Malaysia, Serdang, Malaysia
4. Institute of Microengineering and Nanoelectronics (IMEN), Universiti Kebangsaan Malaysia, Bangi, Malaysia