Huang, Xialing
Long, Liling http://orcid.org/0000-0003-3369-8532
Wei, Jieqin
Li, Yajuan
Xia, Yuwei
Zuo, Panli
Chai, Xiangfei
Article History
Received: 22 July 2019
Accepted: 17 October 2019
First Online: 29 October 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest. The manuscript has received ethical approval, and there are no ethical/legal conflicts involved in the article. No conflict of interest exits in the submission of this manuscript, and manuscript is approved by all authors for publication. All co-authors that the work described was original research that has not been published previously, and not under consideration for publication elsewhere, in whole or in part. All the authors listed have approved the manuscript that is enclosed.