1. Integrative Medicine Cluster, Advanced Medical & Dental Institute, Universiti Sains Malaysia, Pulau Pinang, Malaysia
2. Department of Chemistry, Faculty of Science, Universiti Malaya, Kuala Lumpur, Malaysia
3. Universiti Malaya Centre for Ionic Liquids (UMCiL), Department of Chemistry, Faculty of Science, Universiti Malaya, Kuala Lumpur, Malaysia
4. School of Chemical Sciences, Universiti Sains Malaysia, Pulau Pinang, Malaysia