Zhou, Xiang-Yang
Liu, Hong
Ding, Zheng-Bin
Xi, Hai-Peng
Wang, Guang-Wei
Article History
Received: 26 September 2018
Accepted: 20 March 2019
First Online: 10 April 2019
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.
: Informed consent was obtained from all individual participants included in the study.
: The authors declares that they have no conflict of interest.