5,000
Participants
Start Date
January 1, 1996
Primary Completion Date
December 31, 2050
Study Completion Date
December 31, 2050
No Intervention: Observational Cohort
No Intervention: Observational Cohort
RECRUITING
The First Affiliated Hospital of Sun Yat-sen University, Guangzhou
First Affiliated Hospital, Sun Yat-Sen University
OTHER