Wang, Xianfeng
Edwards, R. Lawrence
Auler, Augusto S.
Cheng, Hai
Kong, Xinggong
Wang, Yongjin
Cruz, Francisco W.
Dorale, Jeffrey A.
Chiang, Hong-Wei
Article History
Received: 18 July 2016
Accepted: 8 November 2016
First Online: 12 January 2017
Competing interests
: The authors declare no competing financial interests.