Dr. Conway et al reply

Department of Rheumatology, St James's Hospital, Dublin, Ireland; Department of Rheumatology and Clinical Immunology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Unit, Leeds Teaching Hospitals NHS Trust, UK; Centre for Inflammation and Tissue Repair, UCL Respiratory, Division of Medicine, University College London, and Department of Rheumatology, University College London Hospital (UCLH) NHS Trust, London, UK; Medical College of Wisconsin, Milwaukee, Wisconsin, USA; University of Queensland Faculty of Medicine, Brisbane, Australia; Division of Rheumatology and Clinical Immunology, University of Pittsburgh, Pittsburgh, Pennsylvania, USA. The authors declare no conflicts of interest relevant to this article. Address correspondence to Dr. S.L. Mackie, Leeds Institute of Rheumatic and Musculoskeletal Medicine, Chapel Allerton Hospital, Leeds LS7 4SA, UK. Email: s.l.mackie@leeds.ac.uk.

Department of Rheumatology, St James's Hospital, Dublin, Ireland; Department of Rheumatology and Clinical Immunology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Unit, Leeds Teaching Hospitals NHS Trust, UK; Centre for Inflammation and Tissue Repair, UCL Respiratory, Division of Medicine, University College London, and Department of Rheumatology, University College London Hospital (UCLH) NHS Trust, London, UK; Medical College of Wisconsin, Milwaukee, Wisconsin, USA; University of Queensland Faculty of Medicine, Brisbane, Australia; Division of Rheumatology and Clinical Immunology, University of Pittsburgh, Pittsburgh, Pennsylvania, USA. The authors declare no conflicts of interest relevant to this article. Address correspondence to Dr. S.L. Mackie, Leeds Institute of Rheumatic and Musculoskeletal Medicine, Chapel Allerton Hospital, Leeds LS7 4SA, UK. Email: s.l.mackie@leeds.ac.uk.

Department of Rheumatology, St James's Hospital, Dublin, Ireland; Department of Rheumatology and Clinical Immunology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Unit, Leeds Teaching Hospitals NHS Trust, UK; Centre for Inflammation and Tissue Repair, UCL Respiratory, Division of Medicine, University College London, and Department of Rheumatology, University College London Hospital (UCLH) NHS Trust, London, UK; Medical College of Wisconsin, Milwaukee, Wisconsin, USA; University of Queensland Faculty of Medicine, Brisbane, Australia; Division of Rheumatology and Clinical Immunology, University of Pittsburgh, Pittsburgh, Pennsylvania, USA. The authors declare no conflicts of interest relevant to this article. Address correspondence to Dr. S.L. Mackie, Leeds Institute of Rheumatic and Musculoskeletal Medicine, Chapel Allerton Hospital, Leeds LS7 4SA, UK. Email: s.l.mackie@leeds.ac.uk.

Department of Rheumatology, St James's Hospital, Dublin, Ireland; Department of Rheumatology and Clinical Immunology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Unit, Leeds Teaching Hospitals NHS Trust, UK; Centre for Inflammation and Tissue Repair, UCL Respiratory, Division of Medicine, University College London, and Department of Rheumatology, University College London Hospital (UCLH) NHS Trust, London, UK; Medical College of Wisconsin, Milwaukee, Wisconsin, USA; University of Queensland Faculty of Medicine, Brisbane, Australia; Division of Rheumatology and Clinical Immunology, University of Pittsburgh, Pittsburgh, Pennsylvania, USA. The authors declare no conflicts of interest relevant to this article. Address correspondence to Dr. S.L. Mackie, Leeds Institute of Rheumatic and Musculoskeletal Medicine, Chapel Allerton Hospital, Leeds LS7 4SA, UK. Email: s.l.mackie@leeds.ac.uk.

Department of Rheumatology, St James's Hospital, Dublin, Ireland; Department of Rheumatology and Clinical Immunology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Unit, Leeds Teaching Hospitals NHS Trust, UK; Centre for Inflammation and Tissue Repair, UCL Respiratory, Division of Medicine, University College London, and Department of Rheumatology, University College London Hospital (UCLH) NHS Trust, London, UK; Medical College of Wisconsin, Milwaukee, Wisconsin, USA; University of Queensland Faculty of Medicine, Brisbane, Australia; Division of Rheumatology and Clinical Immunology, University of Pittsburgh, Pittsburgh, Pennsylvania, USA. The authors declare no conflicts of interest relevant to this article. Address correspondence to Dr. S.L. Mackie, Leeds Institute of Rheumatic and Musculoskeletal Medicine, Chapel Allerton Hospital, Leeds LS7 4SA, UK. Email: s.l.mackie@leeds.ac.uk.

Department of Rheumatology, St James's Hospital, Dublin, Ireland; Department of Rheumatology and Clinical Immunology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Unit, Leeds Teaching Hospitals NHS Trust, UK; Centre for Inflammation and Tissue Repair, UCL Respiratory, Division of Medicine, University College London, and Department of Rheumatology, University College London Hospital (UCLH) NHS Trust, London, UK; Medical College of Wisconsin, Milwaukee, Wisconsin, USA; University of Queensland Faculty of Medicine, Brisbane, Australia; Division of Rheumatology and Clinical Immunology, University of Pittsburgh, Pittsburgh, Pennsylvania, USA. The authors declare no conflicts of interest relevant to this article. Address correspondence to Dr. S.L. Mackie, Leeds Institute of Rheumatic and Musculoskeletal Medicine, Chapel Allerton Hospital, Leeds LS7 4SA, UK. Email: s.l.mackie@leeds.ac.uk.

Department of Rheumatology, St James's Hospital, Dublin, Ireland; Department of Rheumatology and Clinical Immunology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Unit, Leeds Teaching Hospitals NHS Trust, UK; Centre for Inflammation and Tissue Repair, UCL Respiratory, Division of Medicine, University College London, and Department of Rheumatology, University College London Hospital (UCLH) NHS Trust, London, UK; Medical College of Wisconsin, Milwaukee, Wisconsin, USA; University of Queensland Faculty of Medicine, Brisbane, Australia; Division of Rheumatology and Clinical Immunology, University of Pittsburgh, Pittsburgh, Pennsylvania, USA. The authors declare no conflicts of interest relevant to this article. Address correspondence to Dr. S.L. Mackie, Leeds Institute of Rheumatic and Musculoskeletal Medicine, Chapel Allerton Hospital, Leeds LS7 4SA, UK. Email: s.l.mackie@leeds.ac.uk.

Department of Rheumatology, St James's Hospital, Dublin, Ireland; Department of Rheumatology and Clinical Immunology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Unit, Leeds Teaching Hospitals NHS Trust, UK; Centre for Inflammation and Tissue Repair, UCL Respiratory, Division of Medicine, University College London, and Department of Rheumatology, University College London Hospital (UCLH) NHS Trust, London, UK; Medical College of Wisconsin, Milwaukee, Wisconsin, USA; University of Queensland Faculty of Medicine, Brisbane, Australia; Division of Rheumatology and Clinical Immunology, University of Pittsburgh, Pittsburgh, Pennsylvania, USA. The authors declare no conflicts of interest relevant to this article. Address correspondence to Dr. S.L. Mackie, Leeds Institute of Rheumatic and Musculoskeletal Medicine, Chapel Allerton Hospital, Leeds LS7 4SA, UK. Email: s.l.mackie@leeds.ac.uk.