1. Centre for Community Health Studies (ReaCH), Faculty of Health Sciences, Universiti Kebangsaan Malaysia (UKM), Jalan Raja Muda Abdul Aziz, Kuala Lumpur 50300, Selangor, Malaysia
2. Primer Care Health Department, Faculty of Medicine and Health Sciences, Universiti Sains Islam Malaysia (USIM), Bandar Baru Nilai, Nilai 71800, Negeri Sembilan, Malaysia
3. Faculty of Health and Medical Sciences, Taylors University Lakeside Campus, No. 1 Jalan Taylor’s, Subang Jaya 47500, Selangor, Malaysia