Wei, Yun
Wang, Feiyue
Pan, Zhaolu
Wang, Meirong
Jin, Guanghui
Liu, Yanli
Lu, Xiaoqin
Article History
Received: 12 March 2021
Accepted: 21 June 2021
First Online: 26 August 2021
Declarations
:
: This study was approved by the Ethical Committee of Capital Medical University, Beijing, China. Written informed consents were achieved from all the participants in this study. The participants were assured that their information would only be used for analysis in this study. All methods were carried out in accordance with relevant guidelines and regulations.
: Not applicable.
: The authors declare that they have no competing interests.