1. Forensic Science Programme, School of Health Sciences Universiti Sains Malaysia Kubang Kerian Malaysia
2. Division of Health and Applied Sciences, Faculty of Science Prince of Songkla University Hat Yai, Songkhla Thailand
3. Narcotics Division, Forensic Science Analysis Centre Department of Chemistry Petaling Jaya Malaysia
4. Center of Excellence for Trace Analysis and Biosensors (TAB‐CoE) Prince of Songkla University Hat Yai, Songkhla Thailand
5. Center of Excellence for Innovation in Chemistry, Faculty of Science Prince of Songkla University Hat Yai, Songkhla Thailand