Funding for this research was provided by:
National Research Foundation of Korea (2016R1D1A1B03931085)
Natural Science Foundation of China (31170376)
Received: 1 May 2019
Accepted: 4 September 2019
First Online: 17 October 2019
Ethics approval and consent to participate
: This research was conducted within the guidelines and approval of the Institutional Animal Care and Use Committee of Kangwon National University (KW-161128-2).
: Not applicable
: The authors declare that they have no competing interests.