1 | Institute for Medical Research, Kuala Lumpur, Malaysia |
2 | Institute for Public Health, Kuala Lumpur, Malaysia |
3 | Klang Health Department, Bandar Botanic Clinic, Klang, Malaysia |
4 | Melaka Manipal Medical College, Bukit Baru, Malaysia |
5 | School of Medical Science, Universiti Sains Malaysia, Kelantan, Malaysia |
6 | Faculty of Medicine, University Teknologi Mara, Selangor, Malaysia |
7 | Faculty of Medicine and Defence Health, University of Defence, Kuala Lumpur, Malaysia |