Lian, Qiguo
Ni, Jiaying
Zhang, Jun
Little, Julian
Luo, Shan
Zhang, Lin
Funding for this research was provided by:
Science and Technology Commission of Shanghai Municipality (201640032)
Shanghai Hospital Development Center (SHDC12016204)
Article History
Received: 2 July 2020
Accepted: 24 August 2020
First Online: 22 September 2020
Ethics approval and consent to participate
: The CLDS was approved by the WHO Research Ethics Review Committee and the ethics committees in all participating hospitals. The CLDS data coordination center reviewed our research question and analysis plan, and approved our data request form.
: Not applicable.
: None declared.