Zhang, Zhen
Ma, Qiaozhi
Cao, Lizhen
Zhao, Zhiwei
Zhao, Jun
Lu, Qing
Zeng, Linan
Zhang, Mingzhu
Pohost, Gerald M.
Li, Kuncheng
Article History
Received: 3 April 2019
Accepted: 4 June 2019
First Online: 12 August 2019
Compliance with ethical standards
:
: The authors declare 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.