Lower serum IgA is associated with COPD exacerbation risk in SPIROMICS

• Nirupama Putcha ,

  Roles Conceptualization, Data curation, Investigation, Methodology, Supervision, Writing – original draft, Writing – review & editing

  * E-mail: nputcha1@jhmi.edu

  ¶‡ These authors contributed equally as first authors on this work.

  Affiliation Johns Hopkins University School of Medicine, Baltimore, Maryland, United States of America

  http://orcid.org/0000-0002-0688-1836

  ⨯
• Gabriel G. Paul ,

  Roles Conceptualization, Formal analysis, Writing – original draft, Writing – review & editing

  ¶‡ These authors contributed equally as first authors on this work.

  Affiliation Johns Hopkins University School of Medicine, Baltimore, Maryland, United States of America

  ⨯
• Antoine Azar,

  Roles Methodology, Writing – original draft, Writing – review & editing

  Affiliation Johns Hopkins University School of Medicine, Baltimore, Maryland, United States of America

  ⨯
• Robert A. Wise,

  Roles Conceptualization, Methodology, Writing – original draft, Writing – review & editing

  Affiliation Johns Hopkins University School of Medicine, Baltimore, Maryland, United States of America

  ⨯
• Wanda K. O’Neal,

  Roles Conceptualization, Data curation, Funding acquisition, Writing – original draft, Writing – review & editing

  Affiliation University of North Carolina School of Medicine, Chapel Hill, North Carolina, United States of America

  ⨯
• Mark T. Dransfield,

  Roles Data curation, Funding acquisition, Methodology, Writing – original draft, Writing – review & editing

  Affiliation University of Alabama at Birmingham, Birmingham, Alabama, United States of America

  ⨯
• Prescott G. Woodruff,

  Roles Conceptualization, Data curation, Funding acquisition, Writing – original draft, Writing – review & editing

  Affiliation University of San Francisco School of Medicine, San Francisco, California, United States of America

  ⨯
• Jeffrey L. Curtis,

  Roles Funding acquisition, Methodology, Writing – original draft, Writing – review & editing

  Affiliations University of Michigan Medical School, Ann Arbor, Michigan, United States of America, VA Ann Arbor Healthcare System, Ann Arbor, Michigan, United States of America

  ⨯
• Alejandro P. Comellas,

  Roles Conceptualization, Investigation, Writing – original draft, Writing – review & editing

  Affiliation University of Iowa College of Medicine, Iowa City, Iowa, United States of America

  ⨯
• M. Bradley Drummond,

  Roles Conceptualization, Methodology, Writing – original draft, Writing – review & editing

  Affiliation University of North Carolina School of Medicine, Chapel Hill, North Carolina, United States of America

  ⨯
• Allison A. Lambert,

  Roles Conceptualization, Investigation, Writing – original draft, Writing – review & editing

  Affiliations Johns Hopkins University School of Medicine, Baltimore, Maryland, United States of America, University of Washington School of Medicine, Seattle, Washington, United States of America

  ⨯
• Laura M. Paulin,

  Roles Conceptualization, Formal analysis, Writing – original draft, Writing – review & editing

  Affiliation Johns Hopkins University School of Medicine, Baltimore, Maryland, United States of America

  ⨯
• Ashraf Fawzy,

  Roles Conceptualization, Formal analysis, Writing – original draft, Writing – review & editing

  Affiliation Johns Hopkins University School of Medicine, Baltimore, Maryland, United States of America

  ⨯
• Richard E. Kanner,

  Roles Writing – original draft, Writing – review & editing

  Affiliation University of Utah Health Sciences Center, Salt Lake City, Utah, United States of America

  ⨯
• Robert Paine III,

  Roles Writing – original draft, Writing – review & editing

  Affiliations Department of Veterans Affairs Medical Center, Salt Lake City, Utah, United States of America, University of Utah School of Medicine, Salt Lake City, Utah, United States of America

  ⨯
• MeiLan K. Han,

  Roles Conceptualization, Data curation, Funding acquisition, Writing – original draft, Writing – review & editing

  Affiliation University of Michigan Medical School, Ann Arbor, Michigan, United States of America

  ⨯
• Fernando J. Martinez,

  Roles Funding acquisition, Writing – original draft, Writing – review & editing

  Affiliation Weill Cornell Medical College. New York City, New York, United States of America

  ⨯
• Russell P. Bowler,

  Roles Data curation, Funding acquisition, Writing – original draft, Writing – review & editing

  Affiliation National Jewish Health, Denver, Colorado, United States of America

  ⨯
• R. Graham Barr,

  Roles Data curation, Funding acquisition, Writing – original draft, Writing – review & editing

  Affiliation Columbia University School of Medicine, New York, New York, United States of America

  ⨯
• Nadia N. Hansel,

  Roles Conceptualization, Formal analysis, Funding acquisition, Investigation, Resources, Supervision, Writing – original draft, Writing – review & editing

  Affiliation Johns Hopkins University School of Medicine, Baltimore, Maryland, United States of America

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