Moo Young Chun(Korea Astronomy and Space Science Institute)
Hong Bae Ann(Department of Earth Science, Pusan National University)
Myung Gyoon Lee(FPRD, Department of Physics and Astronomy, Seoul National University)
Minsun Kim(FPRD, Department of Physics and Astronomy, Seoul National University, International Center for Astrophysics, Korea Astronomy and Space Science Institute)
Narae Hwang(FPRD, Department of Physics and Astronomy, Seoul National University)
Eunhyeuk Kim(FPRD, Department of Physics and Astronomy, Seoul National University)