Kim, Se Ik
Lee, Ji Won
Lee, Nara
Lee, Maria
Kim, Hee Seung
Chung, Hyun Hoon
Kim, Jae-Weon
Park, Noh Hyun
Song, Yong-Sang
Seo, Jeong-Sun
Article History
Received: 13 February 2018
Accepted: 23 April 2018
First Online: 2 May 2018
Ethics approval and consent to participate
: This study complied with TCGA publication guidelines and policies (ExternalRef removed). A local ethics committee, the Seoul National University Hospital Institutional Review Board, ruled that no formal ethics approval was required in this particular case.
: The authors declare that they have no competing interests.
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