Wooseok Kang(Department of Physics, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon 34141, Republic of Korea)
MinSu Ko(Department of Physics, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon 34141, Republic of Korea)
Junhan Kim(Department of Physics, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon 34141, Republic of Korea)
Kieran A. Cleary(California Institute of Technology, 1200 E. California Blvd., Pasadena, CA 91125, USA)
James W. Lamb(Owens Valley Radio Observatory, California Institute of Technology, Big Pine, CA 93513, USA)