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Authors
Mori, Takaaki
Aoki, Takumi
Oishi, Kan
Harada, Tetsuo
Tanaka, Chiaki
Tanaka, Shigeho
Tanaka, Hideki
Fukuda, Kazuhiko
Kamikawa, Yasuko
Tsuji, Nobuhiro
Komura, Keisuke
Kokudo, Shohei
Morita, Noriteru
Suzuki, Kazuhiro
Watanabe, Masashi
Kasanami, Ryoji
Hara, Taketaka
Miyazaki, Ryo
Abe, Takafumi
Yamatsu, Koji
Kume, Daisuke
Asai, Hedenori
Yamamoto, Naofumi
Tsuji, Taishi
Nakaya, Tomoki
Ishii, Kojiro
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Funding
Funding for this research was provided by:
Japan Society for the Promotion of Science (JP 18H01000, JP 18H01000, JP 18H01000, JP 18H01000, JP 18H01000, JP 18H01000, JP 18H01000, JP 18H01000, JP 18H01000, JP 19K21797, JP 21H00848, JP 18H01000)
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Article History
Received: 12 April 2022
Accepted: 22 August 2022
First Online: 1 September 2022
Declarations
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: The purpose, method, benefits, and risks of this study were explained to the principals of the schools. We also explained to the participants and their legal guardians that their private information would be protected and that answers to the questionnaires were not related to their school records. Participants provided consent before answering the questionnaire. Informed consent was obtained from all subjects and their legal guardians. All methods were performed in accordance with relevant guidelines and regulations. We obtained approval from the Ethics Committee of Doshisha University (approval number: 17095).
: Not applicable.
: The authors declare that they have no competing interests.
