1. Department of Respiratory and Sleep Medicine; Royal Prince Alfred Hospital; Camperdown New South Wales Australia
2. Woolcock Institute of Medical Research; Sydney Medical School; Camperdown New South Wales Australia
3. Department of Pulmonary Medicine; Zhongshan Hospital; Qingpu Branch; Fudan University; Shanghai China
4. Shanghai Public Health Clinical Centre; Shanghai China
5. School of Health and Exercise Sciences; University of British Columbia; Kelowna British Columbia Canada
6. Interstitial Lung Disease Unit; Royal Brompton Hospital; London UK
7. National Heart Lung Institute; Imperial College; London UK
8. Centre for Respiratory Research; University College London; London UK