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Authors
Sugiyama, Aya
Kurisu, Akemi
E, Bunthen
Ouoba, Serge
Ko, Ko
Rakhimov, Anvarjon
Akita, Tomoyuki
Harakawa, Takayuki
Sako, Toru
Koshiyama, Makoto
Kumada, Takashi
Tanaka, Junko http://orcid.org/0000-0002-5669-4051
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Funding
Funding for this research was provided by:
Ministry of Health, Labour and Welfare (JPMH19HC1001)
Japan Agency for Medical Research and Development (JP20fk0210040)
JSPS KAKENHI Grant-in-Aid for Scientific Research B (JP19H03886)
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Article History
Received: 6 October 2021
Accepted: 20 April 2022
First Online: 13 May 2022
Declarations
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: This is a retrospective observational study using existing data. There were no study interventions. The existing data were anonymized to protect privacy. This study received ethics approval for the use of an opt-out methodology based on the low risk to participants. The ethics committees for epidemiological research of Hiroshima University, Japan, waived the need for further informed consent and approved the study (approval number, E-1082). All study activities were performed in accordance with relevant guidelines and regulations.
: Not applicable.
: The authors declare that they have no competing interests.
