Aoki, Ai http://orcid.org/0000-0002-7908-6454
Togoobaatar, Ganchimeg http://orcid.org/0000-0002-5116-5601
Tseveenjav, Anudari
Nyam, Naranbaatar
Zuunnast, Khishigsuren
Lkhagvasuren, Gundegmaa http://orcid.org/0000-0002-6683-4425
Shagdar, Bat-Erdene http://orcid.org/0000-0002-5095-1141
Mori, Rintaro http://orcid.org/0000-0001-7656-6156
Kikuchi, Akihito http://orcid.org/0000-0003-0704-587X
Soya, Hideaki http://orcid.org/0000-0002-3061-4375
Kasai, Kiyoto http://orcid.org/0000-0002-4443-4535
Takehara, Kenji http://orcid.org/0000-0002-5957-600X
Funding for this research was provided by:
japan society for the promotion of science (17H04501)
Article History
Received: 28 June 2021
Accepted: 22 September 2021
First Online: 30 September 2021
Declarations
:
: The authors declare no conflicts of interest.
: This study was approved by the ethical committee at National Center for Child Health and Development, Tokyo, Japan (Number 1541) and the Mongolian National Institute for Physical Education, Ulaanbaatar, Mongolia (Number 238).
: Written consent to participate was obtained from the parents or guardians of the subjects.
: Not applicable.
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