Kim, Agnus M.
Kang, Sungchan
Park, Jong Heon
Yoon, Tae Ho
Kim, Yoon
Article History
Received: 29 September 2018
Accepted: 29 January 2019
First Online: 20 February 2019
Ethics approval and consent to participate
: This study was granted a waiver of informed consent and of its documentation by the Institutional Review Board of Seoul National University Hospital (IRB No: 1504–075-665).This study was conducted under the approval of the National Health Insurance Service in Korea and the Institutional Review Board of Seoul National University, and no further administrative permission was required.
: Not applicable.
: The authors declare that they have no competing interests.
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