Konishi, Takaaki https://orcid.org/0000-0002-9538-4419
Fujiogi, Michimasa
Michihata, Nobuaki
Morita, Kojiro
Matsui, Hiroki
Fushimi, Kiyohide
Tanabe, Masahiko
Seto, Yasuyuki
Yasunaga, Hideo
Funding for this research was provided by:
Ministry of Health, Labour and Welfare (19AA2007)
Ministry of Health, Labour and Welfare (20AA2005)
Ministry of Education, Culture, Sports, Science and Technology (20H03907)
Article History
Received: 15 September 2020
Accepted: 22 December 2020
First Online: 5 January 2021
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. Study approval was obtained from the Institutional Review Board at The University of Tokyo.
: The need for informed consent in the current study was waived because of the anonymous nature of the patient database.