1. Pharmacogenomics Laboratory; Department of Pharmacology; Faculty of Medicine; University of Malaya; Kuala Lumpur Malaysia
2. Biomedical Research Centre; Sheffield Hallam University; Sheffield UK
3. Department of Psychiatry; University Kebangsaan Malaysia Medical Center; Kuala Lumpur Malaysia
4. Department of Psychological Medicine; Faculty of Medicine; University Malaya; Kuala Lumpur Malaysia