1. Integrative Medicine Cluster, Advanced Medical and Dental Institute; Universiti Sains Malaysia; Penang Malaysia
2. Department of Chemistry, Faculty of Science; Universiti Malaya; Kuala Lumpur Malaysia
3. Department of Chemistry, Faculty of Science; Universiti Putra Malaysia; Selangor Malaysia
4. Department of Chemistry, Faculty of Science; Universiti Teknologi Malaysia; Johor Bahru Johor Malaysia
5. Division of Chemical Engineering, Graduate School of Engineering Science; Osaka University; Toyonaka Osaka Japan