Jwa, Seung Chik http://orcid.org/0000-0002-8815-5714
Jwa, Junna
Kuwahara, Akira
Irahara, Minoru
Ishihara, Osamu
Saito, Hidekazu
Funding for this research was provided by:
Health and Labour Sciences Research Grants ((H30-Sukoyaka-Ippan-002), (H30-Sukoyaka-Ippan-002), (H30-Sukoyaka-Ippan-002), (H30-Sukoyaka-Ippan-002))
Article History
Received: 24 September 2018
Accepted: 30 April 2019
First Online: 3 June 2019
Ethics approval and consent to participate
: This study was approved by the Institutional Review Board of the National Center for Child Health and Development (Institutional Review Board Approval no. 34), Saitama Medical University (Institutional Review Board Approval no. 873), and the JSOG Ethics Committee (Approval no. IM007).
: Not applicable.
: The authors declare that they have no competing interests.
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