Division of Gastroenterology & Hepatology;
Department of Internal Medicine;
Tokai University School of Medicine;
Isehara;
Japan;
Division of Molecular Life Science;
Department of Genetic Information;
Tokai University School of Medicine;
Isehara;
Japan;
Division of General Internal Medicine;
Department of Internal Medicine;
Tokai University School of Medicine;
Isehara;
Japan;