Tran, Hang Thi
Ajiro, Hiroharu
Hsiao, Yi-Ju
Akashi, Mitsuru
Article History
Received: 6 September 2016
Revised: 11 November 2016
Accepted: 13 November 2016
First Online: 4 January 2017
Competing interests
: The authors declare no conflict of interest.
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