1. Department of Psychiatry and Mental Health Hospital Duchess of Kent Sabah Malaysia
2. Department of Psychological Medicine, Faculty of Medicine University of Malaya Kuala Lumpur Malaysia
3. Department of Psychiatry Hospital Canselor Tuanku Muhriz UKM Kuala Lumpur Malaysia
4. Department of Psychiatry and Mental Health Hospital Sultan Abdul Halim Kedah Malaysia
5. Centre of Evidence Based Practice, Department of Social & Preventive Medicine, Faculty of Medicine University of Malaya Kuala Lumpur Malaysia