Document is current
Any future updates will be listed below
-
Authors
Li, Jinglei
Li, Fei
Li, Chao
Yang, Guang
Xu, Zhuo
Zhang, Shujun
- License Information
-
More Information
Article History
Received: 4 November 2014
Accepted: 15 January 2015
First Online: 6 February 2015
Competing interests
: The authors declare no competing financial interests.
