1. TB & Chest Service, Department of Health, Hong Kong SAR
2. Social Hygiene Service, Department of Health, Hong Kong SAR
3. Department of Medicine and Therapeutics, The Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong SAR
4. Department of Respiratory Medicine, Kowloon Hospital, Hong Kong SAR
5. Hong Kong Tuberculosis, Chest and Heart Diseases Association, Hong Kong SAR
6. TB & Chest Unit, Grantham Hospital, Hong Kong SAR