Sugiyama, Takehiro
Yanagisawa-Sugita, Ayako
Tanaka, Hirokazu
Ihana-Sugiyama, Noriko
Imai, Kenjiro
Ohsugi, Mitsuru
Ueki, Kohjiro
Tamiya, Nanako
Kobayashi, Yasuki
Funding for this research was provided by:
Japan Society for the Promotion of Science (JP19K19451)
National Center for Global Health and Medicine,Japan (26-D-002)
Article History
Received: 12 September 2022
Accepted: 23 June 2023
First Online: 29 June 2023
Competing interests
: Tamiya received a collaborative research fund from JMDC Inc. Sugiyama received a salary from University of Tsukuba in FY2018 and FY2019 based on the fund. However, the present study was unrelated to the collaborative research project, and the authors paid for database use. JMDC Inc. was not involved in study design, analysis, interpretation of data, writing the report, or any restrictions regarding submitting the report for publication. In contrast, JMDC Inc. was involved in generic data collection (not specific to the present study purpose). Ohsugi received honoraria for lectures from Novartis Pharma K.K., Sanofi K.K., and Eli Lilly Japan K.K; clinical commissioned/joint research grants from Japan Diabetes Society, Novo Nordisk Pharma Ltd, Nippon Boehringer Ingelheim Co., Ltd, MSD K.K., Kyowa Kirin Co., Ltd, Abbott Japan LLC, and Sanofi K.K., as well as scholarship grants from Sumitomo Dainippon Pharma Co., Ltd, Mitsubishi Tanabe Pharma Corporation and Novartis Pharma K.K. Ueki received honoraria for lectures from Sumitomo Dainippon Pharma Co., Ltd, MSD K.K., Kyowa Kirin Co., Daiichi Sankyo, Nippon Boehringer Ingelheim Co., Ltd, Takeda Pharmaceutical Co., Ltd, Novo Nordisk Pharma Ltd, Mitsubishi Tanabe, AstraZeneca, Ono, Sanofi K.K, and Astellas; clinical research grants from Novo Nordisk Pharma Ltd, Nippon Boehringer Ingelheim Co., Ltd, Takeda Pharmaceutical Co., Ltd, Astellas, Eli Lilly, MSD K.K., and Abbott Japan LLC. These grants and honoraria were not received for this study. The other authors (Yanagisawa-Sugita, Tanaka, Ihana-Sugiyama, Imai, and Kobayashi) declared no conflicts of interest.