1,502
Participants
Start Date
January 1, 1998
Primary Completion Date
July 30, 2019
Study Completion Date
August 1, 2019
Nanfang Hospital, Guangzhou
Guilin No.924 Hospital, Guilin
Third Affiliated Hospital, Sun Yat-Sen University
OTHER
181 Central Hospital of the Chinese PLA
OTHER
Southern Medical University, China
OTHER