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Authors
Kim, Ja Hye
Lee, Beom Hee
Hyang Cho, Ja
Kang, Eungu
Choi, Jin-Ho
Kim, Gu-Hwan
Yoo, Han-Wook
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Article History
Received: 13 March 2016
Revised: 23 May 2016
Accepted: 26 May 2016
First Online: 23 June 2016
Competing interests
: The authors declare no conflict of interest.
Free to read: This content has been made available to all.
