Seo, Dong-Eun https://orcid.org/0000-0003-3750-7529
Kim, Seonji https://orcid.org/0000-0002-4993-7537
Park, Byung-Joo https://orcid.org/0000-0003-4630-4942
Article History
First Online: 9 July 2020
Compliance with Ethical Standards
:
: The authors have no conflicts of interest to disclose.
: No funding support was received for this research.
: The study was exempted from review by the institutional review board of Seoul National University College of Medicine (IRB No. 1911-051-1078) because it used secondary healthcare data, which did not contain any personally identifiable information, and receiving informed consent from patients was not required.