Moon, Sung Woo
Choi, Ji Soo
Lee, Sang Hoon
Jung, Kyung Soo
Jung, Ji Ye
Kang, Young Ae
Park, Moo Suk
Kim, Young Sam
Chang, Joon
Kim, Song Yee
Article History
Received: 1 November 2018
Accepted: 6 February 2019
First Online: 15 February 2019
Ethics approval and consent to participate
: This research protocol was approved by the Institutional Review Board of Severance Hospital, South Korea (IRB No.4–2018-0454). The requirement to obtain informed patient consent was waived.
: Not applicable.
: The authors declare that they have no competing interest.
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