Digestive Disease Center;
Department of Internal Medicine;
School of Medicine;
Konkuk University;
Seoul 143-729;
South Korea;
Department of Pharmacology and Center for Cancer Research and Diagnostic Medicine;
IBST;
School of Medicine;
Konkuk University;
Seoul 143-729;
South Korea;
Institute of Functional Genomics;
Konkuk University;
Seoul 143-729;
South Korea;