About the Authors

Machiko K. Asaka

Roles Investigation, Project administration, Writing – original draft, Writing – review & editing

Affiliation United Graduate School of Child Development, Osaka University, Kanazawa University, Hamamatsu University School of Medicine, Chiba University and University of Fukui, Suita, Japan

Tomoko Nishimura

Roles Conceptualization, Data curation, Formal analysis, Investigation, Project administration, Software, Supervision, Validation, Writing – original draft

Affiliations United Graduate School of Child Development, Osaka University, Kanazawa University, Hamamatsu University School of Medicine, Chiba University and University of Fukui, Suita, Japan, Research Centre for Child Mental Development, Hamamatsu University School of Medicine, Hamamatsu, Japan

Hitoshi Kuwabara

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

tsuchiya@hama-med.ac.jp (KJT); kuwabara@saitama-med.ac.jp (HK)

Affiliations Department of Psychiatry, Hamamatsu University School of Medicine, Hamamatsu, Japan, Department of Psychiatry, Saitama Medical University, Moroyama-chou, Saitama, Japan

Hiroaki Itoh

Roles Project administration, Resources

Affiliation Department of Obstetrics and Gynecology, Hamamatsu University School of Medicine, Hamamatsu, Japan

Nagahide Takahashi

Roles Supervision, Writing – review & editing

Affiliations United Graduate School of Child Development, Osaka University, Kanazawa University, Hamamatsu University School of Medicine, Chiba University and University of Fukui, Suita, Japan, Department of Child and Adolescent Psychiatry, Nagoya University Graduate School of Medicine, Nagoya, Japan

Kenji J. Tsuchiya

Roles Conceptualization, Data curation, Funding acquisition, Investigation, Project administration, Resources, Supervision, Validation, Writing – review & editing

tsuchiya@hama-med.ac.jp (KJT); kuwabara@saitama-med.ac.jp (HK)

Affiliations United Graduate School of Child Development, Osaka University, Kanazawa University, Hamamatsu University School of Medicine, Chiba University and University of Fukui, Suita, Japan, Research Centre for Child Mental Development, Hamamatsu University School of Medicine, Hamamatsu, Japan

Competing Interests

The authors have declared that no competing interests exist.