Nakamura, Kensuke
Ohbe, Hiroyuki http://orcid.org/0000-0001-8544-2569
Uda, Kazuaki
Matsui, Hiroki
Yasunaga, Hideo
Funding for this research was provided by:
Ministry of Health, Labour and Welfare (21AA2007, 20AA2005)
Ministry of Education, Culture, Sports, Science and Technology (20H03907)
Article History
Received: 14 December 2021
Accepted: 3 February 2022
First Online: 19 February 2022
Declarations
:
: The authors declare no conflicts of interest.
: This study was performed in accordance with the amended Declaration of Helsinki, and the Institutional Review Board of The University of Tokyo approved this study (approval number: 3501-(3); 25 December 2017).
: Because the data were anonymous, the Institutional Review Board waived the requirement for informed consent. No information about individual patients, hospitals, or treating physicians was available.