Wu, Li
Wang, Xue-Qin
Yang, Yong
Dong, Teng-Fei
Lei, Ling
Cheng, Qi-Qi
Li, Su-Xia
Funding for this research was provided by:
National Natural Science Foundation of China (81671038, 61871165, 81171251, 81871071)
Beijing Municipal Natural Science Foundation (7162101)
Article History
Received: 23 October 2019
Accepted: 26 February 2020
First Online: 14 March 2020
Ethics approval and consent to participate
: All of the participants signed written informed consent forms before participation. The study was approved by the ethics committee of Peking University Sixth Hospital, Beijing, China, in accordance with the Helsinki Declaration.
: Not applicable.
: All authors declare that there are no conflicts of interest associated with this publication and there has been no significant financial support for this work that could have influenced its outcome.