Wang, Xiaoyan
Liu, Zhenjiang
Zhao, Wanying
Sun, Jianfan
Qian, Bin
Wang, Xinwei
Zeng, Huawei
Du, Daolin
Duan, Jinsheng
Article History
Received: 20 September 2018
Revised: 13 November 2018
Accepted: 22 November 2018
First Online: 15 December 2018
Compliance with ethical standards
: All authors contributed to the work, read the manuscript, and agreed to be listed as an author.
: The authors declare that they have no competing interests.