Qin, Chunxia
Ran, Xingchen
Wu, Yiqun
Chen, Xiaojun
Article History
Received: 10 January 2019
Accepted: 5 July 2019
First Online: 12 July 2019
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 was obtained from all individual participants included in the study.