Tanaka, Ai
Komiya, Kosaku
Yamasue, Mari
Ando, Yumiko
Takeno, Yukiko
Takikawa, Shuichi
Hiramatsu, Kazufumi
Kadota, Jun-ichi
Article History
Received: 30 November 2020
Accepted: 26 March 2021
First Online: 13 April 2021
Declarations
:
: The study protocol was approved by the Institutional Ethics Committee of National Hospital Organization Nishi-Beppu Hospital, Oita, Japan (Approval Number: 2-04; Approval Date: 29 June 2020). The need for informed consent was waived by the committee due to the retrospective design of the study.
: Not applicable.
: All authors have stated explicitly that there are no conflicts of interest in connection with this article.