1 Centre for Inflammation and Tissue Repair, UCL Respiratory, Division of Medicine, University College London.
2 Department of Rheumatology, University College London Hospital (UCLH), London.
3 Oxford Centre for Respiratory Medicine, Oxford University Hospitals NHS Foundation Trust, Oxford.
4 Department of Rheumatology, North Bristol NHS Trust and University of Bristol, Bristol.
5 Department of Respiratory Medicine, University of Leicester, Leicester.
6 North West Lung Centre, Wythenshawe Hospital, Manchester University NHS Foundation Trust.
7 Division of Infection, Immunity and Respiratory Medicine, School of Biological Sciences, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, University of Manchester and Manchester University NHS Foundation Trust, Manchester.
8 Department of Respiratory Medicine, University College London Hospital (UCLH).
9 Department of Rheumatology.
10 Department of Respiratory Medicine, Northwick Park Hospital.
11 Department of Respiratory Medicine.
12 Department of Rheumatology, Guys and St Thomas' Hospital.
13 Department of Respiratory Medicine, Imperial College Healthcare NHS Trust.
14 Department of Respiratory Medicine, Royal Brompton Hospital.
15 Department of Rheumatology, Royal Free Hospital, London, UK.