Gao, Yan
Pang, Huifang
Chen, Bowang
Wu, ChaoQun
Wang, Yanping
Hou, Libo
Wang, Siming
Sun, Dianjianyi
Zheng, Xin
Article History
Received: 18 November 2020
Accepted: 7 April 2021
First Online: 12 May 2021
Declarations
:
: The ethics committee at the China National Center for Cardiovascular Disease approved this project. All participants had completed a written informed consent before participation in the project. We confirm that all methods were carried out in the study in accordance with relevant guidelines and regulations.
: Not applicable.
: The authors declare that they have no competing interests.