About the Authors
- Hiroyuki Fujiwara
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Affiliation Department of Obstetrics and Gynecology, Jichi Medical University, Yakushiji, Shimotsuke, Tochigi, Japan
- Yuji Takei
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Affiliation Department of Obstetrics and Gynecology, Jichi Medical University, Yakushiji, Shimotsuke, Tochigi, Japan
- Yoshiki Ishikawa
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Affiliation Department of Health and Social Behavior, School of Public Health, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo, Japan
- Yasushi Saga
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Affiliation Department of Obstetrics and Gynecology, Jichi Medical University, Yakushiji, Shimotsuke, Tochigi, Japan
- Shizuo Machida
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Affiliation Department of Obstetrics and Gynecology, Jichi Medical University, Yakushiji, Shimotsuke, Tochigi, Japan
- Akiyo Taneichi
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Affiliation Department of Obstetrics and Gynecology, Jichi Medical University, Yakushiji, Shimotsuke, Tochigi, Japan
- Mitsuaki Suzuki
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* E-mail: msuzuki@jichi.ac.jp
Affiliation Department of Obstetrics and Gynecology, Jichi Medical University, Yakushiji, Shimotsuke, Tochigi, Japan
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: HF MS. Performed the experiments: HF YS AT SM. Analyzed the data: HF YT YI. Contributed reagents/materials/analysis tools: HF YI. Wrote the manuscript: HF YI MS.