About the Authors

Noriyoshi Watanabe

Affiliations Department of Endocrinology and Hypertension, Tokyo Women's Medical University, Shinjuku, Tokyo, Japan, Department of Maternal-Fetal and Neonatal Medicine, National Center for Child Health and Development, Setagaya, Tokyo, Japan

Satoshi Morimoto

Affiliation Department of Endocrinology and Hypertension, Tokyo Women's Medical University, Shinjuku, Tokyo, Japan

Takeo Fujiwara

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

Tomo Suzuki

Affiliation Department of Maternal-Fetal and Neonatal Medicine, National Center for Child Health and Development, Setagaya, Tokyo, Japan

Kosuke Taniguchi

Affiliation Department of Maternal-Fetal and Neonatal Medicine, National Center for Child Health and Development, Setagaya, Tokyo, Japan

Takashi Ando

Affiliation Department of Endocrinology and Hypertension, Tokyo Women's Medical University, Shinjuku, Tokyo, Japan

Tadashi Kimura

Affiliation Department of Obstetrics and Gynecology, Osaka University, Suita, Osaka, Japan

Haruhiko Sago

Affiliation Department of Maternal-Fetal and Neonatal Medicine, National Center for Child Health and Development, Setagaya, Tokyo, Japan

Atsuhiro Ichihara

atzichi@endm.twmu.ac.jp

Affiliation Department of Endocrinology and Hypertension, Tokyo Women's Medical University, Shinjuku, Tokyo, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: NW AI. Performed the experiments: NW TS KT. Analyzed the data: NW TF AI. Contributed reagents/materials/analysis tools: NW SM TS KT TA. Wrote the paper: WN TK HS AI.