Sun, Wenzhi
Wang, Peng
Hu, Hailiang
Kong, Chao
Hai, Yong
Lu, Shibao
Article History
Received: 24 August 2020
Accepted: 24 November 2020
First Online: 4 January 2021
Ethics approval and consent to participate
: The study protocol was approved by the ethical committee for human subjects of the Xuanwu Hospital of Capital Medical University.
: Not applicable.
: The authors declare no financial and non-financial competing interests.