Clinical trials referenced in this document:
Funding for this research was provided by:
Capital's Funds for Health Improvement and Research (Grant No. 2020-1-2021)
Received: 15 November 2020
Accepted: 15 June 2021
First Online: 24 June 2021
: Ethical approval has been obtained from Human Ethics Committee of Beijing Friendship Hospital, Capital Medical University (Approval number: 2019-P2-194-03); Beijing Tiantan Hospital, Capital Medical University (Approval number: KY2020-041-02); Beijing Shijitan Hospital, Capital Medical University (Approval number: sjtky11-lx-2020(41)); Beijing Hospital (Approval number: 2020BJYYEC-119-01); Shanghai Jiao Tong University affiliated Sixth People’s Hospital; Huashan Hospital, Fudan University (Approval number: 2020-090-(1)). The standard written informed consent process must be obtained from all enrolled patients.
: Not applicable.
: The authors declare that they have no competing interests.