Wang, Boyi
Tan, Hua-Wei
Fang, Wanping
Meinhardt, Lyndel W
Mischke, Sue
Matsumoto, Tracie
Zhang, Dapeng
Article History
Received: 30 September 2014
Revised: 25 November 2014
Accepted: 26 November 2014
First Online: 14 January 2015
Competing interests
: The authors declare no conflict of interest.