1. World Class University Program
of Chemical Convergence for Energy and Environment, Institute of Chemical
Processes, and School of Chemical and Biological Engineering, Seoul National University, Seoul, 151-744, Korea
2. Diagnostic Radiology, Seoul
National University Hospital, and the Institute of Radiation Medicine,
Medical Research Center, Seoul National University, 28, Yeongeon-dong, Jongno-gu, Seoul, 110-744, Korea