Wang, Guiliang
Liu, Yan
Zhou, Shu-feng
Qiu, Ping
Xu, Linfang
Wen, Ping
Wen, Jianbo
Xiao, Xianzhong
Article History
Received: 19 May 2015
Accepted: 25 December 2015
First Online: 8 February 2016
Compliance with ethical standards
:
: None.
: Guiliang Wang, Yan Liu, Shu-feng Zhou, Ping Qiu, Linfang Xu, Ping Wen, Jianbo Wen, and Xianzhong Xiao declare that they have no conflict of interest.
: This article does not contain any studies with human participants or animals performed by any of the authors.
Free to read: This content has been made available to all.