Ye, Chengcheng
Pan, Yue
Xu, Xiaojing
Su, Shaoyong
Snieder, Harold
Treiber, Frank
Kapuku, Gaston
Wang, Xiaoling
Article History
Received: 12 January 2016
Revised: 27 April 2016
Accepted: 5 May 2016
First Online: 23 June 2016
Competing interests
: The authors declare no conflict of interest.
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