Yang, Hong
Zhou, Yunfan
Zhao, Hongchao
Xue, Jingsong
Jiang, Qin
Article History
Received: 19 August 2019
Accepted: 16 November 2019
First Online: 21 November 2019
Compliance with ethical standards
:
: The authors declare that there is no conflict of interest regarding the publication of this paper.
: 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 consents were obtained from all individual participants included in the study.