Aoki, Ai https://orcid.org/0000-0002-7908-6454
Togoobaatar, Ganchimeg https://orcid.org/0000-0002-5116-5601
Tseveenjav, Anudari
Nyam, Naranbaatar
Zuunnast, Khishigsuren
Lkhagvasuren, Gundegmaa https://orcid.org/0000-0002-6683-4425
Shagdar, Bat-Erdene https://orcid.org/0000-0002-5095-1141
Mori, Rintaro https://orcid.org/0000-0001-7656-6156
Kikuchi, Akihito https://orcid.org/0000-0003-0704-587X
Soya, Hideaki https://orcid.org/0000-0002-3061-4375
Kasai, Kiyoto https://orcid.org/0000-0002-4443-4535
Takehara, Kenji https://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.