Lee, Yeong Chan
Kang, Jae Myeong
Lee, Hyewon
Kim, Kiwon
Kim, Soyeon
Yu, Tae Yang
Lee, Eun-Mi
Kim, Clara Tammy
Kim, Doh Kwan
Lewis, Matthew
Won, Hong-Hee
Jessen, Frank
Myung, Woojae
Funding for this research was provided by:
National Research Foundation of Korea (NRF-2018R1C1B6001708, NRF-2018R1D1A1B07049034, MSIT, NRF-2019R1A2C4070496)
Article History
Received: 13 December 2019
Accepted: 13 April 2020
First Online: 6 May 2020
Ethics approval and consent to participate
: This study was approved by the Institutional Review Board of Seoul National University Bundang Hospital. Because the National Health Insurance Service (NHIS) provided encrypted data to protect private information, the need to obtain informed consent was waived (approval No. X-1901-517-902).
: Not applicable
: All authors have completed the International Committee of Medical Journal Editors (ICMJE) uniform disclosure form at(available on request from the corresponding author) and declare no support from any organization for the submitted work, no financial relationships with any organizations that might have a competing interest in the submitted work in the previous three years, and no other relationships or activities that could appear to have influenced the submitted work.