Received: 25 June 2021
Accepted: 7 July 2021
First Online: 21 July 2021
: This study was conducted according to the Declaration of Helsinki and was approved by the ethics committee of Kyoto University Graduate School and Faculty of Medicine (approval number: R0357).
: Not applicable
: The KURAMA cohort study is supported by a grant from Daiichi Sankyo Co. Ltd. M.H. receives grants and/or speaker fees from Bristol-Meyers, Eisai, Eli Lilly, and Tanabe Mitsubishi. H.M., M.K., and Y.F. declare no conflicts of interest.