Lu, C-S
Hsieh, J-L
Lin, C-Y
Tsai, H-W
Su, B-H
Shieh, G-S
Su, Y-C
Lee, C-H
Chang, M-Y
Wu, C-L
Shiau, A-L
Article History
Received: 29 April 2014
Revised: 8 October 2014
Accepted: 25 November 2014
First Online: 15 January 2015
Competing interests
: The authors declare no conflict of interest.
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