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Authors
Chou, F-C
Kuo, C-C
Chen, H-Y
Chen, H-H
Sytwu, H-K
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Article History
Received: 14 September 2015
Revised: 27 November 2015
Accepted: 4 January 2016
First Online: 18 February 2016
Competing interests
: The authors declare no conflict of interest.
