Article History
Received: 2 September 2022
Revised: 13 January 2023
Accepted: 18 March 2023
First Online: 28 March 2023
Declarations
:
: The authors have no relevant financial or non-financial interests to disclose.
: This retrospective study involving human participants was in accordance with the ethical standards of the institutional and national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. The Ethics Committee of the Third Hospital of Hebei Medical University approved this study (Approval Number: No. 2021-015-1).
: Verbal informed consent was obtained prior to the interview.