Lee, Dae-Won
Han, Sae-Won https://orcid.org/0000-0003-3275-431X
Cha, Yongjun
Bae, Jeong Mo
Kim, Hwang-Phill
Lyu, Jaemyun
Han, Hyojun
Kim, Hyoki
Jang, Hoon
Bang, Duhee
Won, Jae-Kyung
Jeong, Seung-Yong
Park, Kyu Joo
Kang, Gyeong Hoon
Kim, Tae-You
Funding for this research was provided by:
Seoul National University Hospital (03-2014-0440)
Korea Health Industry Development Institute (HI14C1277, HI13C2163)
Article History
Received: 5 March 2019
Accepted: 26 April 2019
First Online: 6 May 2019
Ethics approval and consent to participate
: The study protocol was reviewed and approved by the institutional review board of SNUH [H-1210-016-430]. This study was carried out in accordance with the recommendations of the Declaration of Helsinki for biomedical research involving human subjects. In accordance with South Korea regulation, retrospective studies without any additional therapy or monitoring procedure, do not need formal written consent from patients. Because the study was retrospective designed without any investigational intervention, the study-specific informed consent was not obtained from each patient. (, ).
: Not applicable.
: The authors declare that they have no competing interests.
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