Tanaka, Chiaki
Tanaka, Maki
Tanaka, Shigeho
Funding for this research was provided by:
Grant of Hakuho Foundation (11th Hakuho Research Grant for Child Education)
Article History
Received: 13 February 2018
Accepted: 26 July 2018
First Online: 2 August 2018
Ethics approval and consent to participate
: The Ethical Committee of J. F. Oberlin University approved the study protocol (No.12023). Written informed consent was obtained from all participants and their parents to participate in this study.
: Not applicable for that section.
: Dr. Shigeho Tanaka received consigned research funds from Omron Healthcare Co., Ltd. The remaining authors declare no competing interests.
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