Masuda, Sakue http://orcid.org/0000-0002-8127-0154
Koizumi, Kazuya
Nishino, Takashi
Tazawa, Tomohiko
Kimura, Karen
Tasaki, Junichi
Ichita, Chikamasa
Sasaki, Akiko
Kako, Makoto
Uojima, Haruki
Sugitani, Ayumu
Article History
Received: 23 August 2020
Accepted: 17 October 2021
First Online: 24 October 2021
Declarations
:
: This retrospective observational study was reviewed and approved by the Future Medical Research Center Committee’s institutional review board (IRB no. TGE00934-024). Moreover, all procedures have been performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments. Informed consent was obtained from all individual participants included in the study by the opt-out method of our hospital website and In-hospital posting (as it was a retrospective study using information contained in medical charts and computerized records). The ethics committee approved this.
: Not applicable.
: The authors declare that they have no competing interests.