Funding for this research was provided by:
Pusan National University (2-year Research Grant)
Received: 16 December 2020
Accepted: 3 January 2021
First Online: 10 February 2021
Ethics approval and consent to participate
: The protocol was approved by the Institutional Animal Care and Use Committee, Pusan National University Yangsan Hospital, Korea, and the approval number is PNUYH-2014-025
: This manuscript does not contain any individual person’s identifier (including individual details, images, or videos).
: The authors declare that they have no competing interests.