Exploring the impact of varying definitions of exacerbations of chronic obstructive pulmonary disease in routinely collected electronic medical records

• Hannah Whittaker ,

  Roles Data curation, Formal analysis, Methodology, Writing – original draft

  * E-mail: h.whittaker@imperial.ac.uk

  Affiliation School of Public Health & National Heart and Lung Institute, Imperial College London, London, United Kingdom

  https://orcid.org/0000-0002-7705-0300

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• Kieran J. Rothnie,

  Roles Conceptualization, Methodology, Writing – review & editing

  Affiliation Epidemiology, Value Evidence and Outcomes, Global Medical R&D, GSK, London, United Kingdom

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• Jennifer K. Quint

  Roles Conceptualization, Methodology, Supervision, Validation, Writing – review & editing

  Affiliation School of Public Health & National Heart and Lung Institute, Imperial College London, London, United Kingdom

  https://orcid.org/0000-0003-0149-4869

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