1. Department of Histopathology Royal Brompton and Harefield NHS Foundation Trust and National Heart and Lung InstituteImperial College London UK
2. Department of Cellular Pathology Northwest London Pathology Imperial College London NHS Trust and Mortuary LeadNightingale NHS Hospital London UK
3. Department of Radiology Royal Brompton and Harefield NHS Foundation Trust London UK
4. Interstitial Lung Disease Unit Royal Brompton and Harefield NHS Foundation Trust and National Heart and Lung InstituteImperial College London UK