Funding for this research was provided by:
Institute for Information and Communications Technology Promotion (2018-2-00861)
Ministry of Health and Welfare, Republic of Korea (HI09C1379 [A092077])
Received: 31 July 2020
Accepted: 7 December 2020
First Online: 17 December 2020
: J.B. Bae, S. Lee, J.S. Kim, J.W. Han, and K.W. Kim receive royalty income from VUNO Inc. The other authors have no competing interests.