Wang, Yiwei
Xin, Chen
Li, Meng
Swain, David L. https://orcid.org/0000-0003-3969-9712
Cao, Kai
Wang, Huaizhou
Wang, Ningli https://orcid.org/0000-0002-8933-4482
Article History
Received: 5 September 2019
Accepted: 31 December 2019
First Online: 8 January 2020
Ethics approval and consent to participate
: The study was approved by the Institutional Review Board of Beijing Tongren Hospital and followed the tenets of the Declaration of Helsinki. Written informed consent was obtained from all subjects.
: Not available.
: The authors declare that they have no competing interests.