Funding for this research was provided by:
National Health Insurance Ilsan Hospital grant (NHIS-2019-1-231)
Article History
Received: 22 January 2021
Revised: 2 August 2021
Accepted: 3 August 2021
First Online: 19 August 2021
Declarations
:
: Approval was granted by the Institutional Review Board of the National Health Insurance Service Ilsan Hospital, Gyeonggi-do, Korea (NHIMC 2019–01-017). The study adhered to the tenets of the Declaration of Helsinki.
: The need for written informed consent to participate was waived because of the retrospective design of the study.
: The need for written informed consent to publish was waived because of the retrospective design of the study.
: The authors declare no competing interests.
: The authors alone are responsible for the content and writing of this article.