Song, Gian
Sun, Zhiqian
Li, Lin
Xu, Xiandong
Rawlings, Michael
Liebscher, Christian H.
Clausen, Bjørn
Poplawsky, Jonathan
Leonard, Donovan N.
Huang, Shenyan
Teng, Zhenke
Liu, Chain T.
Asta, Mark D.
Gao, Yanfei
Dunand, David C.
Ghosh, Gautam
Chen, Mingwei
Fine, Morris E.
Liaw, Peter K.
Article History
Received: 14 June 2015
Accepted: 13 October 2015
First Online: 9 November 2015
Competing interests
: The authors declare no competing financial interests.