Yan, Shuangqin
Cao, Hui
Gu, Chunli
Ni, Lingling
Tao, Huihui
Shao, Ting
Xu, Yeqing
Tao, Fangbiao
Article History
Received: 11 July 2017
Revised: 25 December 2017
Accepted: 7 February 2018
First Online: 13 March 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: Ethical approval was obtained from Biomedicine Ethical Committee in Anhui Medical University.