He, Miao
Liu, Jian
Deng, Xu
Zhang, Xiaoxing
Article History
Received: 25 July 2022
Accepted: 21 November 2022
First Online: 1 December 2022
Declarations
:
: This retrospective study involving human participants was conducted 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 study was approved by the Ethics Committee of the Central Hospital affiliated with Chongqing University. Informed consent was obtained from all participants.
: Not Applicable.
: The authors declare that they have no competing interests.