[1] Prince Charles Hosp, Dept Thorac Med, Brisbane, Qld, Australia
[2] Royal Brompton Hosp, Interstitial Lung Dis Unit, London, England
[3] Imperial Coll, Margaret Turner Warwick Ctr Fibrosing Lung Dis, NHLI, London, England
[4] Hosp Civils Lyon, Louis Pradel Hosp, Natl Reference Ctr Rare Pulm Dis, Lyon, France
[5] Univ Lyon, Claude Bernard Univ Lyon 1, ERN LUNG, INRAE,IVPC,UMR754, Lyon, France
[6] Royal Brompton Hosp, Dept Histopathol, London, England
[7] Imperial Coll, Natl Heart & Lung Inst, London, England