Liu, Yifan
Fang, Fang
Zhan, Xiaojun
Yao, Linyin
Wei, Yongxiang
Funding for this research was provided by:
National Natural Science Foundation of China (81870335, 81670903)
Capital's Funds for Health Improvement and Research (2018-2-2065)
Article History
Received: 8 September 2019
Revised: 7 January 2020
Accepted: 27 January 2020
First Online: 8 February 2020
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included