Funding for this research was provided by:
National Research Foundation of Korea (2019R1I1A3A01062555)
Received: 28 February 2020
Accepted: 20 November 2020
First Online: 27 November 2020
Ethics approval and consent to participate
: This study was approved by the Institutional Animal Care and Use Committee of Yonsei University (IRB-2-2009-0002). The study was carried out in accordance with the guidelines for the care and use of animals including in the approved protocol. None of the cell lines used in the present study required ethics approval for their use.
: Not applicable.
: The authors declare that they have no competing interests.