Bi, Xuanye
Yang, Chengzhi
Song, Yunhu
Yuan, Jiansong
Cui, Jingang
Hu, Fenghuan
Qiao, Shubin http://orcid.org/0000-0002-2956-7233
Funding for this research was provided by:
National Natural Science Foundation of China (81370327)
Article History
Received: 7 August 2019
Accepted: 16 June 2020
First Online: 18 June 2020
Ethics approval and consent to participate
: This study was carried out in accordance with the Declaration of Helsinki. Written informed consent was obtained from every patient. The study protocol was approved by the ethics committee of the Fuwai hospital (No. 2015–790).
: Not applicable.
: The authors declare that they have no competing interests.