Zeng, Qing-Lei
Yu, Zu-Jiang
Ji, Fanpu
Li, Guang-Ming
Zhang, Guo-Fan
Xu, Jiang-Hai
Lin, Wan-Bao
Zhang, Guo-Qiang
Li, Guo-Tao
Cui, Guang-Lin
Wang, Fu-Sheng
Article History
Received: 15 July 2020
Accepted: 19 May 2021
First Online: 16 August 2021
Declarations
:
: The study protocol was approved by the Institutional Review Commissions of The First Affiliated Hospital of Zhengzhou University and each involved centers, all these institutions approved to access the raw data mentioned in the methods, the raw data did not contain any personal identifying information that can be linked to particular individuals, and was anonymised before its use. The requirement for informed consent was waived by the Institutional Review Commissions in light of de-identified data of patients.
: Not applicable.
: The authors declare that they have no financial or non-financial interests with other people or organizations that could inappropriately influence this work.