290
Participants
Start Date
May 6, 2020
Primary Completion Date
December 9, 2021
Study Completion Date
December 9, 2021
No intervention
No drug will be administered as part of this study.
Xuanwu Hospital ,Capital Medical University, Beijing
Ruijin Hospital Shanghai Jiao Tong University, Shanghai
The First Affiliated Hospital of Guangzhou Medical University, Guangzhou
Johnson & Johnson (China) Investment Ltd.
INDUSTRY