Gestational age, birth weight, and infant 1-year mortality risk: A large-scale analysis of 6.9 million births from the Japanese National registry

• Miho Sassa ,

  Roles Conceptualization, Writing – original draft, Writing – review & editing

  ¶‡ These authors share first authorship on this work.

  Affiliations Department of Global Health Policy, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan, National Institute of Infectious Diseases, Japan Institute for Health Security, Tokyo, Japan

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• Ayaka Monoi ,

  Roles Conceptualization, Formal analysis, Investigation, Methodology, Project administration, Resources, Validation, Visualization, Writing – original draft, Writing – review & editing

  ¶‡ These authors share first authorship on this work.

  Affiliation National Institute of Infectious Diseases, Japan Institute for Health Security, Tokyo, Japan

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• Yayoi Murano,

  Roles Conceptualization, Formal analysis, Supervision, Validation, Writing – original draft, Writing – review & editing

  Affiliation Department of Pediatrics, Juntendo University, Faculty of Medicine, Tokyo, Japan

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• Utako Kondo,

  Roles Writing – original draft, Writing – review & editing

  Affiliation Department of Neonatology, Tokyo Metropolitan Bokutoh Hospital, Tokyo, Japan

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• Hiromichi Shoji,

  Roles Writing – original draft, Writing – review & editing

  Affiliation Department of Pediatrics, Juntendo University, Faculty of Medicine, Tokyo, Japan

  https://orcid.org/0000-0003-2532-8910

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• Daisuke Yoneoka

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

  * E-mail: yoneoka@niid.go.jp

  Affiliation National Institute of Infectious Diseases, Japan Institute for Health Security, Tokyo, Japan

  https://orcid.org/0000-0002-3525-5092

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