Shangguan, Jianfeng
Shchukina, Elena
Monov, Dimitar
Larina, Svetlana
Article History
Received: 23 September 2025
Accepted: 19 January 2026
First Online: 3 February 2026
Declarations
:
: The research was conducted ethically in accordance with the World Medical Association Declaration of Helsinki. The study was approved at the meeting of the Ethics Committee of Puyang Oilfield General Hospital (Protocol No. 1023 dated from 2020/01/12).
: Informed consent was signed by participants.
: The authors declare no competing interests.