Otani, Kento
Shichita, Takashi
Article History
Received: 14 May 2020
Accepted: 7 August 2020
First Online: 8 December 2020
Ethics approval and consent to participate
: As this is a literature review, and this study did not involve any intervention in humans, there is no need for ethics approval or consent to participate in this study.
: Not applicable.
: The authors declare that they have no competing interests.