Wu, Yonghua
Yang, Xu
Li, Xiaogang
Wang, Haining
Wang, Tiancheng http://orcid.org/0000-0002-4407-455X
Funding for this research was provided by:
National Natural Sciences Foundation of China (81673118, 39970711)
Article History
Received: 12 September 2019
Accepted: 11 February 2020
First Online: 21 February 2020
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest.
: Ethical approval for this study was granted by the Ethical Committee of the Peking University Third hospital and Peking University Health Science Center. The principle of the Helsinki Declaration for using human subjects was obeyed. A written informed consent was obtained from all participants prior to being enrolled.