Quantifying time spent outdoors: A versatile method using any type of global positioning system (GPS) and accelerometer devices

• Wei Liu,

  Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Visualization, Writing – original draft, Writing – review & editing

  Affiliations China Institute of Water Resources and Hydropower Research, Beijing, China, Department of Geography, Environment & Spatial Sciences, Michigan State University, East Lansing, MI, United States of America

  https://orcid.org/0000-0002-7995-0783

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• Timothy Chambers,

  Roles Conceptualization, Methodology, Writing – review & editing

  Affiliation Department of Public Health, University of Otago, Wellington, New Zealand

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• Kimberly A. Clevenger,

  Roles Conceptualization, Methodology, Writing – review & editing

  Affiliation Department of Kinesiology and Health Sciences, Utah State University, Logan, UT, United States of America

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• Karin A. Pfeiffer,

  Roles Conceptualization, Funding acquisition, Writing – review & editing

  Affiliation Department of Kinesiology, Michigan State University, East Lansing, MI, United States of America

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• Zachary Rzotkiewicz,

  Roles Methodology, Writing – review & editing

  Affiliation Harman International, Stamford, Connecticut, United States of America

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• Hyunseo Park,

  Roles Data curation, Formal analysis, Writing – review & editing

  Affiliation Department of Geography, Environment & Spatial Sciences, Michigan State University, East Lansing, MI, United States of America

  https://orcid.org/0000-0002-3638-0530

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• Amber L. Pearson

  Roles Conceptualization, Data curation, Funding acquisition, Investigation, Methodology, Project administration, Resources, Supervision, Writing – review & editing

  * E-mail: apearson@msu.edu

  Affiliation CS Mott Department of Public Health, Michigan State University, Flint, MI, United States of America

  https://orcid.org/0000-0002-8848-1798

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