Ren, Zhiwei
Ng, Annie
Shen, Qian
Gokkaya, Huseyin Cem
Wang, Jingchuan
Yang, Lijun
Yiu, Wai-Kin
Bai, Gongxun
Djurišić, Aleksandra B.
Leung, Wallace Woon-fong
Hao, Jianhua
Chan, Wai Kin
Surya, Charles
Article History
Received: 30 July 2014
Accepted: 3 October 2014
First Online: 24 October 2014
Competing interests
: The authors declare no competing financial interests.