5,000
Participants
Start Date
April 30, 2016
Primary Completion Date
December 31, 2026
Study Completion Date
December 31, 2028
No intervention
Registration of all NS patients in the First Affiliated Hospital of Sun Yat-sen University and other hospitals which have signed the contract in China.
RECRUITING
The 1st Affiliated Hospital, Sun Yet-sen University, Guangzhou
Sun Yat-sen University
OTHER