Zhang, Kai
Bian, Jiang
Deng, Yijie
Smith, Alexis
Nunez, Roy E.
Li, Michael B.
Pal, Utpal
Yu, Ai-Ming
Qiu, Weigang http://orcid.org/0000-0003-4585-1872
Ealick, Steven E.
Li, Chunhao
Article History
Received: 16 June 2016
Accepted: 21 September 2016
First Online: 21 November 2016
Competing interests
: The authors declare no competing financial interests.