About the Authors

Takeo Fujiwara

fujiwara-tk@ncchd.go.jp

Affiliation Department of Social Medicine, National Research Institute for Child Health and Development, Tokyo, Japan

Junko Yagi

Affiliation Department of Neuropsychiatry, Iwate Medical University, Iwate, Japan

Hiroaki Homma

Affiliation Miyagi Prefectural Comprehensive Children's Center, Miyagi, Japan

Hirobumi Mashiko

Affiliation Department of Neuropsychiatry, Fukushima Medical University, Fukushima, Japan

Keizo Nagao

Affiliation Nagao Mental Clinic, Mie, Japan

Makiko Okuyama

Affiliation Department of Psychosocial Medicine, National Center for Child Health and Development, Tokyo, Japan

for the Great East Japan Earthquake Follow-up for Children Study Team

Membership of the Great East Japan Earthquake Follow-up for Children Study Team is provided in the Acknowledgments.

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MO KN HH HM JY TF. Performed the experiments: MO KN HH HM JY TF. Analyzed the data: TF. Contributed reagents/materials/analysis tools: MO KN HH HM JY TF. Wrote the paper: MO KN HH HM JY TF. Collected samples: KN HH HM JY.