Sinn, Dong Hyun
Kang, Danbee
Kang, Minwoong
Paik, Seung Woon
Guallar, Eliseo
Cho, Juhee
Gwak, Geum-Youn https://orcid.org/0000-0002-6453-3450
Article History
Received: 12 September 2018
Accepted: 22 March 2019
First Online: 29 March 2019
Ethics approval and consent to participate
: The Institutional Review Board of the Samsung Medical Center approved this study and waived the requirement for informed consent as we used only de-identified data.
: Not applicable.
: The authors declare that they have no competing interests.
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