Food and Environmental Hygiene Department, HKSAR Health, Welfare and Food Bureau, HKSAR Health zone, Central Health Education Unit, HKSAR Hong Kong Institute of Occupational and Environmental Hygiene Hospital Authority, HKSAR Labour Department, HKSAR Occupational Safety and Health Council, HKSAR Surveillance & Epidemiology Branch, Centre for Health Protection, HKSAR The Hong Kong Medical Association The Hong Kong Occupational Safety and Health Association

American Industrial Hygiene Association Canadian Centre for Occupational Health and Safety Centers for Disease Control and Prevention, USA Department of Consumer and Employment Protection, Western Australia European Agency for Safety and Health at Work Health Finder, USA International Labour Organization International Occupational Hygiene Association World Health Organization