Han, Meng
Wu, Haoneng
Yang, Weiming
Chen, Juanjuan
Article History
Received: 9 December 2021
Accepted: 4 July 2022
First Online: 8 July 2022
Declarations
:
: The study protocol was conducted according to the principles expressed in the Declaration of Helsinki. Ethical approval of this study was obtained from the Human Research Ethics Committee of the Second Affiliated Hospital of Nanchang University (No. 2013–072). Due to the retrospective design, informed consent was exempted and all the information did not involve patients’ privacy. The Second Affiliated Hospital of Nanchang University Medical Research Ethics Committee approved the application for exemption from informed consent because the study only involved the collection or analysis of previously archived data, documents and materials.
: Not applicable.
: The authors declare that they have no competing interests.