Xu, Xiangfan
Pereira, Luiz F. C.
Wang, Yu
Wu, Jing
Zhang, Kaiwen
Zhao, Xiangming
Bae, Sukang
Tinh Bui, Cong
Xie, Rongguo
Thong, John T. L.
Hong, Byung Hee
Loh, Kian Ping
Donadio, Davide
Li, Baowen
Özyilmaz, Barbaros
Article History
Received: 9 October 2013
Accepted: 19 March 2014
First Online: 16 April 2014
Competing interests
: The authors declare no competing financial interests.