Funding for this research was provided by:
Korea Health Industry Development Institute (HI14C3477)
Received: 8 January 2019
Accepted: 1 October 2019
First Online: 29 October 2019
Ethics approval and consent to participate
: This study was approved by the Institutional Animal Care & Use Committee, Korea University (IACUC number: KOREA-2017-0073). The study was carried out in accordance with the approved guidelines. We also followed AVMA Guidelines for the Euthanasia of Animals: 2013 Edition.
: Not applicable.
: The author declares that they have no competing interests.