1. Centre for Drug Research, Universiti Sains Malaysia, Pulau Pinang, Malaysia
2. School of Chemical Sciences, Universiti Sains Malaysia, Pulau Pinang, Malaysia
3. Faculty of Science and Marine Enviroment, Universiti Malaysia Terengganu, Kuala Nerus, Terengganu, Malaysia
4. Bioprocess Technology Division, School of Industrial Technology, Universiti Sains Malaysia, Pulau Pinang, Malaysia
5. Centre for Applied Science Studies, Universiti Teknologi Mara, Kota Samarahan, Sarawak, Malaysia