510
Participants
Start Date
January 1, 2013
Primary Completion Date
March 31, 2019
Study Completion Date
October 1, 2021
no intervention
no intervention, just observation
The first Affiliated Hospital of Zhejiang University, Hangzhou
Affiliated Jinhua hospital of Zhejiang University, Jinhua
Affiliated Jinhua Hospital of Zhejiang University
UNKNOWN
First Affiliated Hospital of Zhejiang University
OTHER