Shinya, Yuta https://orcid.org/0000-0002-5229-1554
Oku, Kensuke
Watanabe, Hama
Taga, Gentaro https://orcid.org/0000-0003-3907-8545
Fujii, Shinya https://orcid.org/0000-0001-5003-2367
Funding for this research was provided by:
Center for Early Childhood Development, Education, and Policy Research
Japan Society for the Promotion of Science (16H06525, 20H04092)
Japan Society for the Promotion of Science (17KT0135, 20K14253)
Article History
Received: 15 October 2021
Accepted: 21 April 2022
First Online: 4 May 2022
Declarations
:
: The authors declare that there are no conflicts of interest, financial or otherwise.
: The study was approved by the ethical committee of Life Science Research Ethics and Safety, The University of Tokyo, and was conducted in accordance with standards specified in the 1964 Declaration of Helsinki.
: Written informed consent was obtained from the participants’ parents.