1. Faculty of Computer Sciences and Information Technology, Universiti Tun Hussein Onn Malaysia (UTHM), Parit Raja, Malaysia
2. Department of Electrical Engineering, Universitas Ahmad Dahlan (UAD), Yogyakarta, Indonesia
3. Faculty of Electrical Engineering, Universiti Teknologi Malaysia (UTM), Skudai, Malaysia
4. Computer and Information Sciences Department (CISD), Universiti Teknologi PETRONAS (UTP), Seri Iskandar, Perak, Malaysia
5. Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
6. Faculty of Accounting and Management, Universiti Tunku Abdul Rahman (UTAR), Kajang, Malaysia