Funding for this research was provided by:
National Research Foundation of Korea (2016R1A2B4012232)
Seoul National University Hospital (02-2013-015)
Received: 29 November 2019
Accepted: 4 February 2020
First Online: 7 February 2020
Ethics approval and consent to participate
: All animal procedures were carried out following the National Institutes of Health Guidelines for the Humane Treatment of Animals, with approval from the Institutional Animal Care and Use Committee of Seoul National University (IACUC No. SNU-131016-1).
: Not applicable.
: The authors declare that they have no competing interests.