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Authors
Kimura, Koichi
Adachi, Eisuke
Omori, Sachie
Toyohara, Ayako
Higashi, Takahiro
Ohgaki, Kippei
Ito, Shuhei
Maehara, Shin-ichiro
Nakamura, Toshihiko
Ikeda, Yoichi
Maehara, Yoshihiko
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Article History
Received: 12 March 2021
Accepted: 6 May 2021
First Online: 19 May 2021
Declarations
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: The Ethics Committee of the Kyushu Central Hospital of the Mutual Aid Association of Public School Teachers has approved this study (numbered 207). The protocol followed the 1975 Declaration of Helsinki. Informed consent was obtained from participants.
: Not applicable.
: The authors declare that they have no competing interests.
