1. Centre for Drug Research, Universiti Sains Malaysia, Pulau Pinang, Malaysia
2. School of Chemical Sciences, Universiti Sains Malaysia, Pulau Pinang, Malaysia
3. Bioprocess Technology Division, School of Industrial Technology, Universiti Sains Malaysia, Pulau Pinang, Malaysia
4. Centre of Applied Science Studies, Universiti Teknologi Mara, Kuching, Malaysia