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Authors
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Funding
Funding for this research was provided by:
The ministry of education, culture, sports, science and technology kakenhi grant-in-aid for young scientists (19K19388)
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Article History
Received: 20 July 2021
Accepted: 19 November 2021
First Online: 2 December 2021
Declarations
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: Ethical approval was granted by the Ethics Committee for Epidemiological Research at Hiroshima University (Ref. no. E-1389).
: Not applicable
: The authors declare that they have no competing interests.
