Relationship between spending on electronic cigarettes, 30-day use, and disease symptoms among current adult cigarette smokers in the U.S.

• Tingting Yao,

  Roles Conceptualization

  Affiliations Institute for Health & Aging, School of Nursing, University of California, San Francisco, CA, United States of America, Center for Tobacco Control Research and Education, Cardiovascular Research Institute, School of Medicine, University of California, San Francisco, CA, United States of America

  http://orcid.org/0000-0002-5741-8710

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• Wendy Max,

  Roles Conceptualization

  Affiliations Institute for Health & Aging, School of Nursing, University of California, San Francisco, CA, United States of America, Center for Tobacco Control Research and Education, Cardiovascular Research Institute, School of Medicine, University of California, San Francisco, CA, United States of America

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• Hai-Yen Sung,

  Roles Conceptualization

  Affiliations Institute for Health & Aging, School of Nursing, University of California, San Francisco, CA, United States of America, Center for Tobacco Control Research and Education, Cardiovascular Research Institute, School of Medicine, University of California, San Francisco, CA, United States of America

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• Stanton A. Glantz ,

  Roles Conceptualization

  * E-mail: Stanton.Glantz@ucsf.edu

  Affiliation Center for Tobacco Control Research and Education, Cardiovascular Research Institute, School of Medicine, University of California, San Francisco, CA, United States of America

  http://orcid.org/0000-0003-4620-6672

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• Rachel L. Goldberg,

  Roles Conceptualization

  Affiliations Center for Tobacco Control Research and Education, Cardiovascular Research Institute, School of Medicine, University of California, San Francisco, CA, United States of America, Department of Physiological Nursing, School of Nursing, University of California, San Francisco, CA, United States of America

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• Julie B. Wang,

  Roles Conceptualization

  Affiliation Center for Tobacco Control Research and Education, Cardiovascular Research Institute, School of Medicine, University of California, San Francisco, CA, United States of America

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• Yingning Wang,

  Roles Conceptualization

  Affiliations Institute for Health & Aging, School of Nursing, University of California, San Francisco, CA, United States of America, Center for Tobacco Control Research and Education, Cardiovascular Research Institute, School of Medicine, University of California, San Francisco, CA, United States of America

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• James Lightwood,

  Roles Conceptualization

  Affiliations Center for Tobacco Control Research and Education, Cardiovascular Research Institute, School of Medicine, University of California, San Francisco, CA, United States of America, Department of Clinical Pharmacy, School of Pharmacy, University of California, San Francisco, CA, United States of America

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• Janine Cataldo

  Roles Conceptualization

  Affiliations Center for Tobacco Control Research and Education, Cardiovascular Research Institute, School of Medicine, University of California, San Francisco, CA, United States of America, Department of Physiological Nursing, School of Nursing, University of California, San Francisco, CA, United States of America

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