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Authors
Huang, Yao-Kung
Chen, Szu-Chao
Ho, Yen-Hung
Lin, Chiun-Yan
Lin, Ming-Fa
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Article History
Received: 21 August 2014
Accepted: 14 November 2014
First Online: 17 December 2014
Competing interests
: The authors declare no competing financial interests.
