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Authors
Lee, Young Hwan
Oh, Young Taeck
Lee, Won Woong
Ahn, Hee Cheol
Sohn, You Dong
Ahn, Ji Yun
Min, Yong Hun
Kim, Hyun
Lim, Seung Wook
Lee, Kui Ja
Shin, Dong Hyuk
Park, Sang O.
Park, Seung Min
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Article History
Received: 1 February 2016
Accepted: 4 June 2016
First Online: 13 June 2016
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This study was approved by the institutional review board (CR315049-002).
: No informed consent since it was a retrospective observational study.
