Watanabe, Hideaki http://orcid.org/0000-0002-3925-2665
Yamana, Hayato
Okada, Akira
Matsui, Hiroki
Fushimi, Kiyohide
Yasunaga, Hideo
Funding for this research was provided by:
Ministry of Health, Labour and Welfare (21AA2007, 22AA2003)
Ministry of Education, Culture, Sports, Science and Technology, Japan (20H03907)
The University of Tokyo
Article History
Received: 16 October 2022
Accepted: 30 May 2023
First Online: 24 June 2023
Declarations
:
: H. Watanabe reports officer role for Watanabe Oyster Laboratory Co., Ltd. A. Okada is a member of the Department of Prevention of Diabetes and Lifestyle-Related Diseases, which is a cooperative program between The University of Tokyo and the Asahi Mutual Life Insurance Company. H. Yamana is a member of the Department of Health Services Research, which is a cooperative program between The University of Tokyo and Tsumura & Co. H. Matsui, K. Fushimi, and H. Yasunaga have nothing to declare regarding potential conflicts of interest relevant to this study.
: The study was approved by the Institutional Review Board of the Graduate School of Medicine, the University of Tokyo, approval number 3501-(5). Owing to the anonymous character of the data, the requirement for informed consent was waived. All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.