Long, Juan
Zeng, Fanfang
Wang, Lili
Yi, Chen
Chen, Qiying
Zhao, Honglei https://orcid.org/0000-0001-7884-6266
Article History
Received: 23 August 2019
Accepted: 2 June 2020
First Online: 9 June 2020
Ethics approval and consent to participate
: The study design was approved by the Clinical and Basic Research Ethic Committee of Fuwai Hospital. This was a retrospective study and no written informed consent was required.
: Not Applicable.
: None.