Morita, Keiichi
Hatakeyama, Tadashi
Article History
Accepted: 26 August 2022
First Online: 9 September 2022
Declarations
:
: The authors declare no competing interests.
: The authors declare that they have no conflict of interest.
: This study has been approved by the institutional ethics committee (approval number: R2-7) and performed in line with the principles of the Declaration of Helsinki.
: This study was open to the public and guaranteed a refusal to cooperate; the data were anonymous, and the need for a separate informed consent was waived.