Kumahara, Ryotaro
Sasaki, Shizuka
Sasaki, Eiji
Kimura, Yuka
Yamamoto, Yuji
Tsuda, Eiichi
Ishibashi, Yasuyuki
Article History
Received: 31 March 2021
Accepted: 20 April 2021
First Online: 6 May 2021
Declarations
:
: Approval for this study was obtained from Hirosaki University Graduate School of Medicine Review Board.
: The authors received written consent from the parents of the participants prior to the commencement of the intervention.
: The authors declare that they have no conflict of interest.