1. Australian Centre for Airways disease Monitoring (ACAM) The Woolcock Institute of Medical Research, The University of Sydney Sydney New South Wales Australia
2. Respiratory and Environmental Epidemiology The Woolcock Institute of Medical Research, The University of Sydney Sydney New South Wales Australia
3. Department of Environmental and Occupational Medicine National Taiwan University (NTU) College of Medicine and NTU Hospital Taipei Taiwan
4. Institute of Environmental and Occupational Health Sciences National Taiwan University College of Public Health Taipei Taiwan
5. Sydney Local Health District Sydney New South Wales Australia
6. School of Clinical Medicine UNSW Medicine & Health, University of New South Wales Sydney New South Wales Australia