Funding for this research was provided by:
National Research Foundation of Korea (2016R1A5A2008630, 2021R1A2C4002011)
Yonsei University | Yonsei University College of Dentistry (6-2019-0019)
Article History
Received: 4 February 2021
Revised: 28 May 2021
Accepted: 1 June 2021
First Online: 1 July 2021
Competing interests
: The authors declare no competing interests.