Shirai, Nobuyuki
Yamamoto, Suguru
Osawa, Yutaka
Tsubaki, Atsuhiro
Morishita, Shinichiro
Nitami, Sumiyo
Narita, Ichiei
Article History
Received: 30 June 2021
Accepted: 6 November 2021
First Online: 18 November 2021
Declarations
:
: Study protocol complied with the 1975 Declaration of Helsinki, revised in 2013. Approval was granted by the Ethics Committee of Niigata Rinko Hospital (Approval No. 2104-97), and all patients provided written informed consent.
: Not applicable.
: The authors have no conflicts of interest to declare.