Li, Yanfang
Zhang, Zhanfeng
Yang, Lilin
Li, Xiangyi
Zhou, Jingwen
Li, Daocheng
Luo, Songping http://orcid.org/0000-0003-3540-3419
Funding for this research was provided by:
National Natural Science Foundation of China (81704111)
Guangdong Science and Technology Department (2017ZC0150)
Article History
Received: 18 January 2019
Accepted: 5 May 2019
First Online: 16 May 2019
Compliance with ethical standards
: The procedures performed in the study were approved by the local ethics committee and were conducted in accordance with the current version of the Declaration of Helsinki.
: The authors declare that they have no conflict of interest.