Du, Chun-Jing
Liu, Jing-Yuan
Chen, Hui
Yan, Shuo
Pu, Lin
Xiong, Hao-Feng
Xiang, Pan
Li, Chuan-Sheng
Zhang, Ming
Xie, Ru-Ming
Chen, Bu-Dong
Funding for this research was provided by:
Beijing Municipal Administration of Hospitals Clinical Medicine Development of Special Funding Support (ZYLX201802)
Article History
Received: 11 June 2020
Accepted: 19 October 2020
First Online: 26 October 2020
Ethics approval and consent to participate
: This clinical study was conducted in compliance with the ethical principles of the Declaration of Helsinki and its later amendments. The Ethics Committee of Beijing Ditan Hospital approved our study protocol [Approval No. NA2018(005)-01]. As a de-identified retrospective study, the ethics committee did not require us to obtain written or verbal informed consent from participants.
: Not applicable.
: The authors declare that they have no competing interests.