Zhang, Yaoshen
Yin, Peng
Yang, Jincai
Hai, Yong
Article History
Received: 19 January 2020
Accepted: 10 August 2020
First Online: 10 September 2020
Ethics approval and consent to participate
: The study protocol was reviewed and approved by the Committee on Ethics and the institutional review board of Beijing Chao-Yang Hospital, Capital Medical University.
: Not applicable.
: All authors declare that they have no competing interests.