Li, Zhao-Xia
Zeng, Shan
Wu, Hui-Xia
Zhou, Yi
Funding for this research was provided by:
Natural Science Foundation of Guangdong Province, China (NO.2015A030313332)
Article History
Received: 11 September 2018
Accepted: 18 October 2018
First Online: 25 October 2018
Compliance with ethical standards
:
: The authors declare that they have no competing interests.
: All analyses were based on previous published studies; thus, no ethical approval is required.
: All analyses were based on previous published studies; thus, no informed consent is required.