1. Disease Control Division, Ministry of Health, Bandar Seri Begawan, Brunei Darussalam;
2. PAPRSB Institute of Health Sciences, Universiti Brunei Darussalam, Gadong, Brunei Darussalam;
3. Centre for Strategic and Policy Studies, Bandar Seri Begawan, Brunei Darussalam;
4. Environmental Health Division, Ministry of Health, Bandar Seri Begawan, Brunei Darussalam;
5. Department of Dental Services, Ministry of Health, Bandar Seri Begawan, Brunei Darussalam