Data availability statement
De-identified individual participant data for the study, the study
protocol, will be available to investigators for individual participant
data meta-analyses that have been approved by independent review
committees. Proposals for use of data and requests for access should be
directed to zds@xxmu.edu.cn and
zhangruilingxx@163.com.
To gain access, researchers will need to sign a data access agreement
with the study sponsor (Xinxiang Medical University, The Second
Affiliated Hospital, Xinxiang, China).