1. Graduate Research Assistant, Dept. of Aerospace Engineering, Korea Advanced Institute of Science and Technology (KAIST), 373-1 Guseong-dong, Yuseong-gu, Daejeon, 305-701, Republic of Korea.
2. Assistant Professor, School of Mechanical and Aerospace Engineering (with ReCAPT), Gyeongsang National Univ. (GSNU), 900 Gazwa-dong, Jinju, Kyungnam, 660-701, Republic of Korea.
3. Graduate Research Assistant, Dept. of Aerospace Engineering, Korea Advanced Institute of Science and Technology (KAIST), 373-1 Kusong-dong, Yusong-gu, Taejon, 305-701, Republic of Korea.
4. Professor, Dept. of Aerospace Engineering, Korea Advanced Institute of Science and Technology (KAIST), 373-1 Kusong-dong, Yusong-gu, Taejon, 305-701, Republic of Korea.