Lee, Dae-Won
Ryu, Han Suk
Jin, Min-Sun
Lee, Kyung-Hun
Suh, Koung Jin
Youk, Jeonghwan
Kim, Jung Youn
Min, Ahrum
Lee, Han-Byoel
Moon, Hyeong-Gon
Kim, Tae-Yong
Han, Sae-Won
Oh, Do-Youn
Han, Wonshik
Park, In Ae
Noh, Dong-Young
Im, Seock-Ah http://orcid.org/0000-0002-5396-6533
Funding for this research was provided by:
Korea Health Industry Development Institute (HI14C1277)
Article History
Received: 17 September 2018
Revised: 29 May 2019
Accepted: 7 June 2019
First Online: 11 July 2019
Competing interests
: The authors declare no competing interests.
: The study protocol was reviewed and approved by an institutional review board of SNUH [H-1409-017-607]. 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.
: This work was funded by a grant of the Korea Health Technology R&D Project through the Korea Health Industry Development Institute (KHIDI), funded by the Ministry of Health & Welfare, Republic of Korea (grant number: HI14C1277).
: Not applicable
: The datasets used and/or analysed during the current study are available from the corresponding author on reasonable request.
: This work is published under the standard license to publish agreement. After 12 months the work will become freely available and the license terms will switch to a Creative Commons Attribution 4.0 International (CC BY 4.0).