1. Department of Hematology-Oncology, College of Medicine, Yeungnam University, Daegu 705-717, Korea.
2. Department of Gastro-Enterology, College of Medicine, Yeungnam University, Daegu 705-717, Korea.
3. Department of Surgery, College of Medicine, Yeungnam University, Daegu 705-717, Korea.
4. Department of Pathology, College of Medicine, Yeungnam University, Daegu 705-717, Korea.
5. Department of Biochemistry and Molecular Biology, College of Medicine, Yeungnam University, Daegu 705-717, Korea.
6. Aging-associated Vascular Disease Research Center, College of Medicine, Yeungnam University, Daegu 705-717, Korea.