Luo, Li
Zeng, Huan
Zeng, Mao
Liu, Xueqing
Xu, Xianglong
Wang, Lianlian
Zhao, Yong
Article History
Received: 9 November 2018
Accepted: 31 March 2021
First Online: 13 April 2021
Declarations
:
: This research was performed in accordance with the Declaration of Helsinki and approved by the Ethical Committee of Chongqing Medical University (ethical approval code: 2016001). All participants were informed of the purpose of the study and their cooperation was voluntary, and they submitted signed informed consent.
: Not applicable
: The authors declare no conflict of interests.