1. Department of Biochemistry, Soonchunhyang University College of Medicine, Cheonan, Korea.
2. Division of Molecular Cancer Research, Soonchunhyang Medical Research Institute, Soonchunhyang University, Cheonan, Korea.
3. Department of Dermatology, Soonchunhyang University Hospital, Seoul, Korea.
4. Department of Neurosurgery, Soonchunhyang University Hospital, Seoul, Korea.