Hou, Yang
Shi, Jiangang
Lin, Yanping
Chen, Huajiang
Yuan, Wen
Article History
Received: 14 July 2017
First Online: 1 March 2018
Compliance with ethical standards
:
: 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.