Zhao, Lei
Han, Chao
Zheng, Zheng
Xiu, Shuang Ling
Chan, Piu
Funding for this research was provided by:
National Key Research and Development Program of China (1312000)
Article History
Received: 26 February 2020
Accepted: 11 August 2020
First Online: 25 August 2020
Ethics approval and consent to participate
: The study was approved by the research ethics committee of Xuanwu Hospital of Capital Medical University before study initiation. Written informed consent was obtained from all participants for the original data collection.
: Not applicable.
: The authors declare that they have no competing interests.