He, Yun-Yun
Chen, Zhe
Fang, Xiang-Yang
Chang, Jing
Lu, Yong
Wang, Xiao-Juan
Funding for this research was provided by:
Scientific Research Training Project of Beijing Hospital Authority. (No.PX201804)
Scientific Research Training Project of Capital Medical University (PYZ2018029)
Article History
Received: 24 February 2020
Accepted: 16 July 2020
First Online: 23 July 2020
Ethics approval and consent to participate
: The study was approved by the Ethical Committee for Medical Research of Beijing Chao-Yang Hospital and accorded with Helsinki Declaration. Informed consent was obtained from all subjects.
: Not applicable.
: The authors declare that they have no competing interests.