Funding for this research was provided by:
National Research Foundation of Korea (2018R1C1B6008530, NRF-2012R1A3A1050385)
Received: 5 November 2019
Accepted: 3 February 2020
First Online: 12 February 2020
: All the experiments were approved by the Institute of Laboratory Animal Resources of Seoul National University (SNU-150911-5-1).
: Not applicable.
: The authors declare that they have no competing interests.