Inho Kim(Kyungpook National University, Daegu 41566, Republic of Korea)
Sang-Sung Lee(Korea Astronomy and Space Science Institute, Daejeon 34055, Republic of Korea, University of Science and Technology, Daejeon 34113, Republic of Korea)
Myeong-Seok Nam(Korea Astronomy and Space Science Institute, Daejeon 34055, Republic of Korea, University of Science and Technology, Daejeon 34113, Republic of Korea)