Vitamin D concentration in maternal serum during pregnancy: Assessment in Hokkaido in adjunct study of the Japan Environment and Children’s Study (JECS)

• Ko Nakanishi ,

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

  * E-mail: nakanishi-ko@den.hokudai.ac.jp

  Affiliation Faculty of Dental Medicine, Department of Biomaterials and Bioengineering, Hokkaido University, Sapporo, Hokkaido, Japan

  https://orcid.org/0009-0000-4067-6177

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• Mami Mutoh,

  Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology

  Affiliation Faculty of Dental Medicine, Department of Orthodontics, Hokkaido University, Sapporo, Hokkaido, Japan

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• Sachiko Itoh,

  Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology

  Affiliation Center for Environmental and Health Sciences, Hokkaido University, Sapporo, Hokkaido, Japan

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• Sumitaka Kobayashi,

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

  Affiliations Center for Environmental and Health Sciences, Hokkaido University, Sapporo, Hokkaido, Japan, Division of Epidemiological Research for Chemical Disorders, National Institute of Occupational Safety and Health, Research Center for Chemical Information and Management, Kawasaki, Kanagawa, Japan

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• Takeshi Yamaguchi,

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

  Affiliations Center for Environmental and Health Sciences, Hokkaido University, Sapporo, Hokkaido, Japan, Pediatrics, Hokkaido University Hospital, Sapporo, Hokkaido, Japan

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• Hiroyoshi Iwata,

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

  Affiliation Center for Environmental and Health Sciences, Hokkaido University, Sapporo, Hokkaido, Japan

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• Naomi Tamura,

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

  Affiliation Center for Environmental and Health Sciences, Hokkaido University, Sapporo, Hokkaido, Japan

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• Momoko Koishi,

  Roles Data curation, Investigation

  Affiliation Faculty of Dental Medicine, Department of Orthodontics, Hokkaido University, Sapporo, Hokkaido, Japan

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• Machiko Kasai,

  Roles Data curation, Investigation

  Affiliation Faculty of Dental Medicine, Department of Orthodontics, Hokkaido University, Sapporo, Hokkaido, Japan

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• Emi Kikuchi,

  Roles Data curation, Investigation

  Affiliation Faculty of Dental Medicine, Department of Orthodontics, Hokkaido University, Sapporo, Hokkaido, Japan

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• Nanae Yasuura,

  Roles Data curation, Investigation

  Affiliation Faculty of Dental Medicine, Department of Orthodontics, Hokkaido University, Sapporo, Hokkaido, Japan

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• Reiko Kishi,

  Roles Conceptualization, Methodology, Project administration, Resources, Supervision, Writing – review & editing

  Affiliation Center for Environmental and Health Sciences, Hokkaido University, Sapporo, Hokkaido, Japan

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• Yoshiaki Sato

  Roles Conceptualization, Methodology, Project administration, Supervision, Writing – review & editing

  Affiliation Faculty of Dental Medicine, Department of Orthodontics, Hokkaido University, Sapporo, Hokkaido, Japan

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