Wang, Rongxin
Wang, Jing
Hu, Shuiqing
Article History
Received: 13 November 2020
Accepted: 10 March 2021
First Online: 20 March 2021
Declarations
:
: The study was approved by the Ethics Committee of Xuanwu Hospital of Capital Medical University (reference number: 2015–11) and was performed in accordance with the Declaration of Helsinki. All participants gave written informed consent for enrollment in this study.
: The authors have declared that no competing interest exists.