About the Authors

Kenji J. Tsuchiya

Contributed equally to this work with: Kenji J. Tsuchiya, Hiroshi Tsutsumi

tsuchiya@hama-med.ac.jp

Affiliations Research Center for Child Mental Development, Hamamatsu University School of Medicine, Hamamatsu, Japan, United Graduate School of Child Development, Hamamatsu University School of Medicine, Hamamatsu, Japan, Department of Psychiatry, Hamamatsu University School of Medicine, Hamamatsu, Japan

Hiroshi Tsutsumi

Contributed equally to this work with: Kenji J. Tsuchiya, Hiroshi Tsutsumi

Affiliations Research Center for Child Mental Development, Hamamatsu University School of Medicine, Hamamatsu, Japan, United Graduate School of Child Development, Hamamatsu University School of Medicine, Hamamatsu, Japan

Kaori Matsumoto

Affiliation Research Center for Child Mental Development, Hamamatsu University School of Medicine, Hamamatsu, Japan

Nori Takei

Affiliations Research Center for Child Mental Development, Hamamatsu University School of Medicine, Hamamatsu, Japan, United Graduate School of Child Development, Hamamatsu University School of Medicine, Hamamatsu, Japan, Institute of Psychiatry, King’s College of London, London, United Kingdom

Makiko Narumiya

Affiliation Research Center for Child Mental Development, Hamamatsu University School of Medicine, Hamamatsu, Japan

Maiko Honda

Affiliation Research Center for Child Mental Development, Hamamatsu University School of Medicine, Hamamatsu, Japan

Ismail Thanseem

Affiliation Research Center for Child Mental Development, Hamamatsu University School of Medicine, Hamamatsu, Japan

Ayyappan Anitha

Affiliation Research Center for Child Mental Development, Hamamatsu University School of Medicine, Hamamatsu, Japan

Katsuaki Suzuki

Affiliations Research Center for Child Mental Development, Hamamatsu University School of Medicine, Hamamatsu, Japan, United Graduate School of Child Development, Hamamatsu University School of Medicine, Hamamatsu, Japan, Department of Psychiatry, Hamamatsu University School of Medicine, Hamamatsu, Japan

Hideo Matsuzaki

Affiliations Research Center for Child Mental Development, Hamamatsu University School of Medicine, Hamamatsu, Japan, United Graduate School of Child Development, Hamamatsu University School of Medicine, Hamamatsu, Japan

Yasuhide Iwata

Affiliation Department of Psychiatry, Hamamatsu University School of Medicine, Hamamatsu, Japan

Kazuhiko Nakamura

Affiliations United Graduate School of Child Development, Hamamatsu University School of Medicine, Hamamatsu, Japan, Department of Psychiatry, Hamamatsu University School of Medicine, Hamamatsu, Japan

Norio Mori

Membership of the HBC Study Team is provided in the Acknowledgments.

Affiliations Research Center for Child Mental Development, Hamamatsu University School of Medicine, Hamamatsu, Japan, United Graduate School of Child Development, Hamamatsu University School of Medicine, Hamamatsu, Japan, Department of Psychiatry, Hamamatsu University School of Medicine, Hamamatsu, Japan

Competing Interests

None of the authors have any interests that might be interpreted as influencing the research, including employment, consultancy, patents, products in development or marketed products in relation to Pfizer Health Research Fund. Receiving the Fund therefore does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: KJT HT KM NT MN MH IT AA KS HM YI KN NM. Performed the experiments: KJT HT KM MN MH. Analyzed the data: KJT HT KM NT. Contributed reagents/materials/analysis tools: KJT HT KM NT MN MH IT AA HM. Wrote the paper: KJT HT KM NT MN MH IT AA KS HM YI KN NM.