Lee, Yih Hong http://orcid.org/0000-0003-1869-5835
Shi, Wenxiong
Lee, Hiang Kwee
Jiang, Ruibin
Phang, In Yee
Cui, Yan
Isa, Lucio
Yang, Yijie
Wang, Jianfang
Li, Shuzhou
Ling, Xing Yi http://orcid.org/0000-0001-5495-6428
Article History
Received: 26 November 2014
Accepted: 23 March 2015
First Online: 29 April 2015
Competing interests
: The authors declare no competing financial interests.