Affiliation: | 1. Julius Centre, Department of Social and Preventive Medicine, University of Malaya, Kuala Lumpur, Malaysia;2. Department of Population Health and Preventive Medicine, Faculty of Medicine, Universiti Teknologi MARA, Selangor, Malaysia;3. Geriatric Division, Faculty of Medicine, University Malaya Medical Centre, Kuala Lumpur, Malaysia;4. Negeri Sembilan State Health Department, Seremban, Malaysia;5. Department of Primary Care Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia |