Wan, Yu
Wang, Yinhao
Zhao, Liming
Sun, Min
An, Li
Yang, Yang
Jiang, Aimin
Xu, Yanhui
Chen, Zhimin
Li, Xuemin
Funding for this research was provided by:
Beijing Municipal Health Commission (2018-2-4093)
Article History
Received: 16 September 2019
Accepted: 24 March 2020
First Online: 5 April 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and national research committee (Peking University Third Hospital Medical Science Research Ethics Committee, M2018093) and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.