| Authors: |
McDowell PJ; Wellcome-Wolfson Centre for Experimental Medicine, School of Medicine, Dentistry, and Biological Sciences, Queen's University Belfast, Belfast, United Kingdom; Department of Respiratory Medicine, Belfast City Hospital, Belfast Health and Social Care Trust, Belfast, United Kingdom. Electronic address: p.mcdowell@qub.ac.uk., Busby J; Centre for Public Health, School of Medicine, Dentistry, and Biological Sciences, Queen's University Belfast, Belfast, United Kingdom., Stone JH; Division of Rheumatology, Allergy, and Clinical Immunology, Massachusetts General Hospital, Harvard Medical School, Boston, Mass., Butler CA; Department of Respiratory Medicine, Belfast City Hospital, Belfast Health and Social Care Trust, Belfast, United Kingdom., Heaney LG; Wellcome-Wolfson Centre for Experimental Medicine, School of Medicine, Dentistry, and Biological Sciences, Queen's University Belfast, Belfast, United Kingdom; Department of Respiratory Medicine, Belfast City Hospital, Belfast Health and Social Care Trust, Belfast, United Kingdom. |