Nishikawa, Takashi
Fukuhara, Ken
Article History
Received: 11 February 2022
Accepted: 12 July 2022
First Online: 12 August 2022
Declarations
:
: This study was approved by Kurashiki Central Hospital, Medical Ethics Committee (approval number 3778). Since it was an observational retrospective cohort study using medical records, obtaining informed consent from all the study subjects was difficult. We disclosed the contents of the study on our hospital’s website as an opportunity for the subjects to withdraw their consent. This consent procedure was approved by Kurashiki Central Hospital, Medical Ethics Committee. All methods in this study were performed in accordance with relevant guidelines and regulations.
: Not applicable.
: The authors declare that they have no competing interests.