Funding for this research was provided by:
Dasan C&Tech and Aphrozone (None)
Received: 21 October 2019
Accepted: 8 January 2020
First Online: 5 March 2020
Ethics approval and consent to participate
: This study was approved by the Institutional Review Board of the Korea National Institute for Bioethics Policy following a comprehensive review of study-related procedures (P01–201809–13-001).
: Not applicable.
: The authors declare that they have no competing interests.