Liu, Yanyang
Fu, Xiaojian
Chen, Hao
Yao, Qiyuan
Article History
Received: 15 November 2022
Accepted: 12 February 2023
First Online: 22 February 2023
Declarations
:
: Yanyang Liu, Xiaojian Fu, Hao Chen, and Qiyuan Yao declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. For this retrospective study, formal consent is not required.
: Informed consent was obtained from all individual participants included in the study.
: This article reports a study with human participants. All legal and ethical, national and international, applying rules and laws, have been fulfilled. This study does not involve animals.