1. Division of
Pharmacology, Department
of Molecular Cell Biology, Samsung Biomedical Research Institute,
Sungkyunkwan University School of Medicine, Suwon, Gyeonggi-do 440-746,
Republic of Korea
2. Department
of Pharmacology,
School of Medicine, Ewha Womans University, Seoul 158-710, Republic
of Korea
3. Department of Biochemistry
and
Center in Molecular Toxicology, Vanderbilt University School of Medicine,
Nashville, Tennessee 37232-0146, United States