Funding for this research was provided by:
China Cardiovascular Association-Xin Xin Lv Gu microcirculation research fund (xxlg03)
Natural Science Foundation of Zhejiang Province (LY18H020007)
Received: 5 April 2020
Accepted: 5 February 2021
First Online: 8 March 2021
Ethics approval and consent to participate
: The study was approved by the Ethics Committee of Sir Run Run Shaw Hospital of Zhejiang University (KY20180605-13) and complied with the Declaration of Helsinki. Written informed consent to participate will be obtained from each patient before enrollment in the study. This study has been registered in the Chinese Clinical Trial Registry (ExternalRef removed; ChiCTR1800018772) on 9 October 2018 and updated on 2 March 2020.
: Written informed consents should be obtained from patients.
: The authors declare no competing interests.