Lu, Jun
Zhan, Chun
Wu, Tianpin
Wen, Jianguo
Lei, Yu
Kropf, A. Jeremy
Wu, Huiming
Miller, Dean J.
Elam, Jeffrey W.
Sun, Yang-Kook
Qiu, Xinping
Amine, Khalil
Article History
Received: 20 May 2014
Accepted: 29 October 2014
First Online: 16 December 2014
Competing interests
: The authors declare no competing financial interests.