Yonezawa, Naoki
Jo, Taisuke
Matsui, Hiroki
Fushimi, Kiyohide
Yasunaga, Hideo
Funding for this research was provided by:
Ministry of Health, Labour and Welfare (19AA2007, H30-Policy-Designated-004, H30-Policy-Designated-004)
Ministry of Education, Culture, Sports, Science and Technology (17H04141)
Article History
First Online: 14 April 2020
Conflict of interest
: The authors declare that they have no conflict of interest.
: This study was based on a secondary analysis of the administrative data. Because all data were anonymized, the institutional review board of The University of Tokyo approved this study without the need for individual patient consent [Approval No. 3501-(1)].
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