Lu, Feifan
Liu, Pei
Zhang, Qidong
Wang, Weiguo
Guo, Wanshou
Funding for this research was provided by:
National Natural Science Foundation of China (81703896, 81673776)
Capital Health Research and Development of Special (2016-2-4062)
Beijing municipal science and technology commission (Z171100001017209)
Article History
Received: 5 July 2019
Accepted: 27 November 2019
First Online: 16 December 2019
Ethics approval and consent to participate
: 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.
: Not applicable.
: The authors declare that they have no competing interests.