About the Authors

Tomoko Aoyama

Contributed equally to this work with: Tomoko Aoyama, Shigeho Tanaka, Chiaki Tanaka

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

tomokom@nibiohn.go.jp

Current address: Japan Society for the Promotion of Science, Chiyoda-ku, Tokyo, Japan

Affiliation Department of Nutritional Epidemiology and Shokuiku, National Institute of Health and Nutrition, National Institutes of Biomedical Innovation, Health and Nutrition, Shinjuku-ku, Tokyo, Japan

Shigeho Tanaka

Contributed equally to this work with: Tomoko Aoyama, Shigeho Tanaka, Chiaki Tanaka

Roles Methodology, Project administration, Resources, Software, Supervision, Validation

Affiliation Department of Nutrition and Metabolism, National Institute of Health and Nutrition, National Institutes of Biomedical Innovation, Health and Nutrition, Shinjuku-ku, Tokyo, Japan

Maki Tanaka

Roles Conceptualization, Data curation, Investigation, Writing – review & editing

Current address: Department of Early Childhood Education, Kyoto Bunkyo Junior College, Uji-shi, Kyoto, Japan

‡ These authors also contributed equally to this work.

Affiliation Department of Child Education, Kyoto Seibo College, Kyoto-shi, Kyoto, Japan

Masayuki Okuda

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

‡ These authors also contributed equally to this work.

Affiliation Department of Environmental Medicine, Graduate School of Science and Engineering, Yamaguchi University, Ube-shi, Yamaguchi, Japan

Shigeru Inoue

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

‡ These authors also contributed equally to this work.

Affiliation Department of Preventive Medicine and Public Health, Tokyo Medical University, Shinjuku-ku, Tokyo, Japan

Chiaki Tanaka

Contributed equally to this work with: Tomoko Aoyama, Shigeho Tanaka, Chiaki Tanaka

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

Affiliation Division of Integrated Sciences, J. F. Oberlin University, Machida-shi, Tokyo, Japan

Competing Interests

Dr. Shigeho Tanaka received consigned research funds from Omron Healthcare Co., Ltd. This does not alter our adherence to PLOS ONE policies on sharing data and materials. The remaining authors declare no competing interests.