1. Department of Dietetics University of Malaya Medical Centre Kuala Lumpur Malaysia
2. Epidemiology and Biostatistics Unit Medical Research Resource Centre Institute for Medical Research Kuala Lumpur Malaysia
3. Centre for Population Health and Department of Social and Preventive Medicine Faculty of Medicine University of Malaya Kuala Lumpur Malaysia
4. Department of Nutrition Harvard T.H. Chan School of Public Health Boston Massachusetts USA