1. Chemical Sciences Programme, School of Distance Education (SDE), Universiti Sains Malaysia, Minden, Penang, Malaysia
2. Centre for Pre-University Studies, Universiti Malaysia Sarawak, Kota Samarahan, Sarawak, Malaysia
3. Centre for Drug Research, Universiti Sains Malaysia, Minden, Penang, Malaysia
4. Faculty of Resource Science and Technology, Universiti Malaysia Sarawak, Kota Samarahan, Sarawak, Malaysia
5. Advanced Medical and Dental Institute, Universiti Sains Malaysia, Bertam, Penang, Malaysia
6. Industrial Centre of Innovation (IC-I) Biomedical, SIRIM Industrial Research, Kulim, Kedah, Malaysia
7. Department of Chemistry, University of Saskatchewan, Saskatoon, Saskatchewan, SK, Canada