Kwon, Oh Chan
Lee, Sang-Won
Park, Yong-Beom
Oh, Ji Seon
Lee, Sang Hoon
Hong, Seokchan
Lee, Chang-Keun
Yoo, Bin
Kim, Yong-Gil https://orcid.org/0000-0002-8029-7355
Article History
Received: 9 April 2018
Accepted: 12 June 2018
First Online: 11 July 2018
Ethics approval and consent to participate
: This study was approved by the Institutional Review Board of Asan Medical Center in Seoul, South Korea (IRB No. 2017-0857).
: The authors declare that they have no competing interests.
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