| Affiliation: | 1. Department of Family Medicine, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, , Serdang, Malaysia;2. Institute of Gerontology, Universiti Putra Malaysia, , Serdang, Malaysia;3. Seremban 2 Health Clinic, , Seremban, Malaysia;4. Clinical Research Centre, Ministry of Health, , Kuala Lumpur, Malaysia;5. Department of Family Medicine, Faculty of Medicine and Health Sciences, Universiti Sarawak Malaysia , , Kuching, Malaysia;6. Bandar Sungai Petani Health Clinic, , Sungai Petani, Malaysia |
