1. Faculty of Medicine and Health Science, Universiti Sains Islam Malaysia, Nilai 71800, Malaysia
2. Islamic Science Institute, Universiti Sains Islam Malaysia, Nilai 71800, Malaysia
3. Faculty of Medicine and Defence Health, Universiti Pertahanan Nasional Malaysia, Sungai Besi, Kuala Lumpur 57000, Malaysia
4. Corporate Communications Unit, Ministry of Health Malaysia, Putrajaya 62000, Malaysia