Funding for this research was provided by:
Ministry of Education (NRF-2018R1D1A1B07040482)
Seoul National University Hospital (NO.03-2016-0190)
Received: 17 August 2020
Revised: 5 October 2020
Accepted: 5 November 2020
First Online: 7 January 2021
Compliance with ethical standards
: The authors declare that they have no conflict of interest.
: There are no animal experiments carried out for this article.