Risk of pneumonia in obstructive lung disease: A real-life study comparing extra-fine and fine-particle inhaled corticosteroids

• Samatha Sonnappa,

  Affiliations Observational and Pragmatic Research Institute Pte Ltd, Singapore, Singapore, Department of Respiratory Paediatrics, Rainbow Children’s Hospital, Bengaluru, India

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• Richard Martin,

  Affiliation National Jewish Health and the University of Colorado Denver, Denver, Colorado, United States of America

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• Elliot Israel,

  Affiliation Pulmonary and Critical Care Division, Brigham & Women's Hospital, Harvard Medical School, Boston, MA, United States of America

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• Dirkje Postma,

  Affiliation Department of Pulmonary Medicine and Tuberculosis, University of Groningen, University Medical Center Groningen, the Netherlands

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• Wim van Aalderen,

  Affiliation Department of Pediatric Respiratory Diseases, Emma Children’s Hospital AMC, Amsterdam, the Netherlands

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• Annie Burden,

  Affiliation Observational and Pragmatic Research Institute Pte Ltd, Singapore, Singapore

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• Omar S. Usmani ,

  Contributed equally to this work with: Omar S. Usmani, David B. Price

  Affiliation National Heart and Lung Institute, Imperial College London & Royal Brompton Hospital, London, United Kingdom

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• David B. Price ,

  Contributed equally to this work with: Omar S. Usmani, David B. Price

  * E-mail: dprice@opri.sg

  Affiliations Observational and Pragmatic Research Institute Pte Ltd, Singapore, Singapore, Academic Primary Care, Division of Applied Health Sciences, University of Aberdeen, Aberdeen, United Kingdom

  http://orcid.org/0000-0002-9728-9992

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• on behalf of the Respiratory Effectiveness Group, Small Airways Study Group

  ¶The complete membership of the author group can be found in the Acknowledgments.

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