Yan, Chun-ling
Chen, Ying
Sun, Pei
Qv, Zong-yang
Zuo, Ming-zhang
Article History
Received: 1 April 2021
Accepted: 8 December 2021
First Online: 3 January 2022
Declarations
:
: This single-center prospective observational study was approved by the Ethics Committee of Clinical Research of Beijing Hospital (No. 2019BJYYEC-236-02) and registered in the China Clinical Trial Registration Center (No. ChiCTR2000028802 Date2020.01.04. The patients provided written consents. All methods were carried out in accordance with Declaration of Helsinki.
: Not Applicable.
: The authors declare that they have no competing interests.