Zhang, Qidong
Zhang, Qian
Guo, Wanshou
Gao, Man
Ding, Ran
Wang, Weiguo
Funding for this research was provided by:
Beijing municipal science and technology commission (Z171100001017209)
National Natural Science Foundation of China (81703896)
Capital Health Research and Development of Special (2016-2-4062)
Article History
Received: 14 July 2018
First Online: 11 November 2018
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/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent for study participation was obtained from each patient.