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Authors
Kizaki, Hayato
Tsukamoto, Maho
Yamada, Mari
Ito, Sana
Sasaki, Megumi
Sakamoto, Kentaro
Ikeda, Yuki
Miyamoto, Koji
Iino, Haru
Hori, Satoko
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Article History
Received: 8 August 2025
Accepted: 4 December 2025
First Online: 13 December 2025
Declarations
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: All the procedures were performed in accordance with the principles of the Declaration of Helsinki. This study was approved by the Research Ethics Review Committee of the Faculty of Pharmacy at Keio University (accession number 201218-4, 211213-1). Informed consent was obtained from all the participants who completed the questionnaire. The participants answered the questionnaire anonymously.
: Not applicable.
: Yamada M, Ito S, and Tsukamoto M are registered dietitians employed by Kyowa Chemical Co., Ltd. Ikeda Y and Miyamoto K are board members of Kyowa Chemical Co., Ltd. Sasaki M and Sakamoto K are employees of Toyone Village. Kyowa Chemical Co., Ltd. has received fees for nutritional support services provided to the residents of Toyone Village. Kizaki H, Iino H, and Hori S report no conflict of interest.
