Effects of outdoor play on body composition and physical performance in children: the Yamanashi Adjunct study of the Japan Environment and Children’s Study

• Masanori Wako ,

  Roles Conceptualization, Formal analysis, Investigation, Writing – original draft

  * E-mail: wako@yamanashi.ac.jp

  Affiliation Department of Orthopaedic Surgery, Faculty of Medicine, University of Yamanashi, Chuo-shi, Yamanashi, Japan

  https://orcid.org/0000-0001-6311-7909

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• Taro Fujimaki,

  Roles Investigation, Writing – review & editing

  Affiliation Department of Orthopaedic Surgery, Faculty of Medicine, University of Yamanashi, Chuo-shi, Yamanashi, Japan

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• Jiro Ichikawa,

  Roles Writing – review & editing

  Affiliation Department of Orthopaedic Surgery, Faculty of Medicine, University of Yamanashi, Chuo-shi, Yamanashi, Japan

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• Kensuke Koyama,

  Roles Writing – review & editing

  Affiliation Department of Orthopaedic Surgery, Nirasaki City Hospital, Honmachi, Nirasaki-shi, Yamanashi, Japan

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• Ryoji Shinohara,

  Roles Formal analysis, Project administration

  Affiliation Center for Birth Cohort Studies, Interdisciplinary Graduate School of Medicine, University of Yamanashi, Chuo-shi, Yamanashi, Japan

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• Sanae Otawa,

  Roles Project administration

  Affiliation Center for Birth Cohort Studies, Interdisciplinary Graduate School of Medicine, University of Yamanashi, Chuo-shi, Yamanashi, Japan

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• Anna Kobayashi,

  Roles Writing – review & editing

  Affiliation Center for Birth Cohort Studies, Interdisciplinary Graduate School of Medicine, University of Yamanashi, Chuo-shi, Yamanashi, Japan

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• Sayaka Horiuchi,

  Roles Project administration

  Affiliation Center for Birth Cohort Studies, Interdisciplinary Graduate School of Medicine, University of Yamanashi, Chuo-shi, Yamanashi, Japan

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• Megumi Kushima,

  Roles Project administration

  Affiliation Center for Birth Cohort Studies, Interdisciplinary Graduate School of Medicine, University of Yamanashi, Chuo-shi, Yamanashi, Japan

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• Zentaro Yamagata,

  Roles Project administration, Supervision

  Affiliation Center for Birth Cohort Studies, Interdisciplinary Graduate School of Medicine, University of Yamanashi, Chuo-shi, Yamanashi, Japan

  https://orcid.org/0000-0003-4317-3721

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• Hirotaka Haro,

  Roles Supervision, Writing – review & editing

  Affiliation Department of Orthopaedic Surgery, Faculty of Medicine, University of Yamanashi, Chuo-shi, Yamanashi, Japan

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• on behalf of the Yamanashi Adjunct Study of the Japan Environment and Children’s Study Group

  ¶Membership of the Yamanashi Adjunct Study of the Japan Environment and Children’s Study Group is provided in the Acknowledgments.

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