Cigarette and e-cigarette dual use and risk of cardiopulmonary symptoms in the Health eHeart Study

• Julie B. Wang,

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

  Affiliations 24K Data, Washington, DC, United States of America, Division of Cardiology, School of Medicine, University of California, San Francisco, United States of America, Physiological Nursing, School of Nursing, University of California, San Francisco, United States of America

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• Jeffrey E. Olgin,

  Roles Funding acquisition, Resources, Writing – review & editing

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

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• Gregory Nah,

  Roles Formal analysis

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

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• Eric Vittinghoff,

  Roles Formal analysis, Methodology, Writing – review & editing

  Affiliation Department of Epidemiology and Biostatistics, University of California, San Francisco, United States of America

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• Janine K. Cataldo,

  Roles Writing – review & editing

  Affiliation Physiological Nursing, School of Nursing, University of California, San Francisco, United States of America

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• Mark J. Pletcher,

  Roles Formal analysis, Funding acquisition, Methodology, Resources, Writing – review & editing

  Affiliation Department of Epidemiology and Biostatistics, University of California, San Francisco, United States of America

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• Gregory M. Marcus

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

  * E-mail: greg.marcus@ucsf.edu

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

  http://orcid.org/0000-0001-5197-7696

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