Fan, Zhiyuan
Peng, Wenjuan
Wang, Zhiwen
Zhang, Ling
Liu, Kuo
Article History
Received: 23 February 2021
Accepted: 14 July 2021
First Online: 23 July 2021
Declarations
:
: All participants provided written consent before entering the study. The study was approved by the Ethics Committee of Capital Medical University, with the ethical Approval Number: 2016SY24. The study was carried out in accordance with the Declaration of Helsinki.
: Not applicable.
: All authors declare that they have no competing interests.