Department of Gastroenterology and Nephrology;
Chiba University;
Graduate School of Medicine;
Department of Internal Medicine;
Kikkoman General Hospital;
Department of Internal Medicine;
Toho University;
Sakura Medical Centre;
Safety and Health Organization;
Chiba University;
Hepatitis; C; virus; Interleukin; 28B; Persistent; normal; alanine; aminotransferase; levels; Standard; of; care; Treatment; response;