1. Faculty of Electrical and Electronic Engineering, Universiti Tun Hussein Onn Malaysia (UTHM), Batu Pahat, Johor, Malaysia
2. Faculty of Engineering, University Malaysia Sabah (UMS), Kota Kinabalu, Sabah, Malaysia
3. Faculty of Electronic and Computer Engineering, Universiti Teknikal Malaysia Melaka (UTeM), Durian Tunggal, Melaka, Malaysia