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Authors
Miyamori, Daisuke
Yoshida, Shuhei
Omori, Wataru
Kashima, Saori
Ito, Masanori
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Funding
Funding for this research was provided by:
Japan Society for the Promotion of Science (21K17227)
Innovative Research Program on Suicide Countermeasures (JPSCIRS20220305)
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Article History
Received: 10 October 2024
Accepted: 1 July 2025
First Online: 25 July 2025
Declarations
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: The study protocol was reviewed and approved by the Epidemiological Research Committee of Hiroshima University (approval number E2022-2025) and conducted in accordance with the Declaration of Helsinki. The data that support the findings of this study are available from the Ministry of Health, Labor, and Welfare and are subject to strict confidentiality and privacy regulations (, in Japanese). Informed consent to participate was waived since the data were obtained from an insurance claims database in an anonymous state.
: Consent for publication of the findings based on this dataset was also obtained from the Ministry of Health, Labour, and Welfare in accordance with Guidelines for the use of National Insurance Claims Database (NDB) (, in Japanese).
: The authors declare no competing interests.
