About the Authors
- Hiroyuki Tamiya
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Affiliation Department of Geriatric Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
- Hideo Yasunaga
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Affiliation Department of Clinical Epidemiology and Health Economics, School of Public Health, The University of Tokyo, Tokyo, Japan
- Hiroki Matusi
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Affiliation Department of Clinical Epidemiology and Health Economics, School of Public Health, The University of Tokyo, Tokyo, Japan
- Kiyohide Fushimi
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Affiliation Department of Health Policy and Informatics, Tokyo Medical and Dental University Graduate School of Medicine, Tokyo, Japan
- Sumito Ogawa
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* E-mail: suogawa-tky@umin.ac.jp
Affiliation Department of Geriatric Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
- Masahiro Akishita
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Affiliation Department of Geriatric Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
Competing Interests
The authors have read the journal's policy and have the following competing interests: MA received research grant support by Daiichi-Sankyo and Takeda, and honoraria for educational lectures by Daiichi-Sankyo Takeda, Eisai, Novartis and Mochida. SO received honoraria for educational lectures by Abbott and Daiichi-Sankyo. Other authors declare no conflict of interest. This does not alter the authors' adherence to PLOS ONE policies on sharing data and materials.
Author Contributions
Conceived and designed the experiments: HT HY SO. Performed the experiments: HT HY SO. Analyzed the data: HT HY SO. Contributed reagents/materials/analysis tools: HM KF HY. Wrote the paper: HT HY MA SO.