Article History
Received: 22 June 2022
Accepted: 23 September 2022
First Online: 29 September 2022
Declarations
:
: Gunma University Hospital Clinical Research Review Board approved for this retrospective study, and the requirement for informed consent was waived given the retrospective nature of the study. The study adhered to the Declaration of Helsinki.
: Not applicable.
: The authors have no relevant financial or non-financial interests to disclose.