1. Department of Engineering, KDU Penang University College, Pulau Pinang, Malaysia
2. School of Mechatronic Engineering, Universiti Malaysia Perlis, Arau, Perlis, Malaysia
3. Bioproduct Discovery and Development Centre (BDDC), University of Guelph, Guelph, Canada
4. Department of Engineering Technology, Universiti Malaysia Perlis, Padang Besar, Perlis, Malaysia