Funding for this research was provided by:
Guangdong society of interventional cardiology (GSIC20140526)
Received: 14 April 2019
Accepted: 12 June 2020
First Online: 24 June 2020
Ethics approval and consent to participate
: The study protocol has been approved by the Guangdong Provincial People’s Hospital Ethics Committee. All the participants will sign an informed consent form. Summary data will be used only for statistical analysis to ensure that personal information is not leaked.
: Not applicable.
: The authors declare that they have no competing interests.