Shintani, Tomoaki
Ohta, Kouji
Ando, Toshinori
Hayashido, Yasutaka
Yanamoto, Souichi
Kajiya, Mikihito
Shiba, Hideki
Article History
Received: 2 September 2022
Accepted: 7 March 2023
First Online: 18 March 2023
Declarations
:
: Approval for conducting this study was obtained from the Ethics Committee of Hiroshima University, Hiroshima, Japan (approval number: epidemiology—1485), all methods were performed in accordance with relevant guidelines and regulations. The Ethics Committee of Hiroshima University (approval number: epidemiology—1485) waived the requirement for informed consent for this retrospective study.
: Not applicable.
: The authors declare no competing interests.