Dang, Jiaqiang
Cai, Xiaojiang
Yu, Dedong
An, Qinglong
Ming, Weiwei
Chen, Ming
Article History
Received: 17 July 2019
Accepted: 26 October 2019
First Online: 16 December 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All the authors have read and approved this version of the manuscript, the submission is original and it is not being submitted or under consideration for publication elsewhere. And that, if accepted, it will not be published elsewhere in the same form, in English or in any other language, including electronically without the written consent of the copyright-holder.