Liu, Ru-Qing
Qian, Zhengmin
Trevathan, Edwin
Chang, Jen-Jen
Zelicoff, Alan
Hao, Yuan-Tao
Lin, Shao
Dong, Guang-Hui
Article History
Received: 10 February 2015
Revised: 17 June 2015
Accepted: 12 July 2015
First Online: 3 September 2015
Competing interests
: The authors declare no conflict of interest.
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