Dobashi, Shohei
Hotoge, Shuko
Kikuchi, Ayako
Takahashi, Rira
Yoshimoto, Hisashi
Funding for this research was provided by:
Asahi Breweries
Article History
Received: 3 February 2026
Accepted: 17 June 2026
First Online: 26 June 2026
Declarations
Competing interests: H.Y. received research funding from Asahi Breweries; he also received funding from Sanwa Shurui, but this was unrelated to the conduct of the study. Study planning and conduction, data analysis, and writing of the manuscript were performed by the investigators, independent of the Asahi Breweries, under the supervision and instruction of the University of Tsukuba. Transparency and neutrality were maintained throughout the study. S.D., S.H., A.K., and R.T. declare no competing interests.
Ethics approval and consent to participate: This study was approved by the ethics committee of the University of Tsukuba (Notification Number 1997), and written informed consent was obtained before participation.
Additional resources: This study was registered in the UMIN Clinical Trials Registry (UMIN000055188).