1 Graduate School of Medical Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Republic of Korea.
2 Graduate School of Medical Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Republic of Korea. ecshin@kaist.ac.kr.
3 The Center for Epidemic Preparedness, KAIST, Daejeon, Republic of Korea. ecshin@kaist.ac.kr.