Kim, Agnus M.
Kang, Sungchan
Park, Jong Heon
Yoon, Tae Ho
Kim, Yoon
Article History
Received: 16 January 2019
Accepted: 15 August 2019
First Online: 2 September 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). As all data used in this study were de-identified, and such using of such data was allowed by law in Korea, consent to participate was not required.
: Not Applicable
: The authors declare that they have no competing interests.