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 Environment, Universiti Malaysia Terengganu, Kuala Nerus, Terengganu, Malaysia
4. Faculty of Applied Science Studies, Universiti Teknologi MARA, Kota Samarahan, Sarawak, Malaysia
5. Bioprocess Technology Division, School of Industrial Technology, Universiti Sains Malaysia, Pulau Pinang, Malaysia