Wu, Jiang-Bin
Zhang, Xin
Ijäs, Mari
Han, Wen-Peng
Qiao, Xiao-Fen
Li, Xiao-Li
Jiang, De-Sheng
Ferrari, Andrea C.
Tan, Ping-Heng
Article History
Received: 24 January 2014
Accepted: 19 September 2014
First Online: 10 November 2014
Competing interests
: The authors declare no competing financial interests.