Kawahara, Kenji http://orcid.org/0000-0003-1557-2928
Takano, Shigetsugu http://orcid.org/0000-0002-6495-0422
Furukawa, Katsunori
Takayashiki, Tsukasa
Kuboki, Satoshi
Ohtsuka, Masayuki http://orcid.org/0000-0002-5091-1078
Article History
Received: 20 September 2021
Accepted: 11 December 2021
First Online: 9 January 2022
Declarations
:
: The authors declare no competing interests.
: This cohort study was a retrospective and observational study and was approved by the institutional ethics board of Chiba University Graduate School of Medicine (Ethical approval number #3657). This study was performed in accordance with the precepts of the Declaration of Helsinki.
: Written informed consent was obtained from all patients.