7,770
Participants
Start Date
April 1, 2020
Primary Completion Date
April 30, 2022
Study Completion Date
April 30, 2022
• no intervention
• no intervention
Chinese PLA General Hospital, Beijing
The Affiliated Nanjing Drum Tower Hospital of Nanjing University Medical School
OTHER
First Affiliated Hospital of Guangxi Medical University
OTHER
Sun Yat-sen University
OTHER
The Affiliated Hospital Of Guizhou Medical University
OTHER
Peking University People's Hospital
OTHER
China-Japan Friendship Hospital
OTHER
Fudan University
OTHER
Chinese PLA General Hospital
OTHER