1. National Fusion Research Institute, 52 Eoeum-dong, Yuseong-gu, Daejoen 305-333, Korea
2. Department of Nuclear Engineering, Seoul National University, 56-1 Sillim-dong, Kwanak-gu, Seoul 151-742, Korea
3. Korea Power Engineering Company, 150 Deokjin-dong, Yuseong-gu, Daejeon 305-353, Korea