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Authors
Hong, Jung Hee
Chang, Hyuk Won
Kim, Ji Min
Cho, Ho Chan
Kim, Sang Hyon
Hong, Ji Hee
Kim, Sung Jin
Jeong, Hea Woong
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Funding
Funding for this research was provided by:
the National Research Foundation of Korea (NRF) Grant funded by the Korean Government (No. 2014R1A5A2010008)
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Article History
Received: 16 January 2015
Accepted: 28 July 2015
First Online: 7 August 2015
Compliance with ethical standards
:
: There is no conflict of interest.
