1. Department of Architecture, Graduate School of Seoul National University, Shillim-dong Gwanak-gu, Seoul 151-744, Republic of Korea
2. School of Architecture, Department of Engineering, Ajou University, Suwon, Gyeonggi-do 443-749, Republic of Korea
3. Department of Architecture, College of Engineering, Seoul National University, Shillim-dong Gwanak-gu, Seoul 151-744, Republic of Korea
4. Department of Architecture, College of Engineering, Seoul National University, Shillim-dong Gwanak-gu, Seoul 151-744, Republic of Korea,