National Taiwan University - Division of Gastroenterology and Hepatology, National Taiwan University - Department of Internal Medicine, National Taiwan University, National Taiwan University, National Taiwan University, College of Medicine, Department of Clinical Laboratory Sciences and Medical Biotechnology, National Taiwan University, College of Medicine, Department of Clinical Laboratory Sciences and Medical Biotechnology, National Taiwan University, College of Medicine, Department of Clinical Laboratory Sciences and Medical Biotechnology, National Taiwan University - Department of Pathology, National Taiwan University, National Taiwan University and National Taiwan University - Department of Internal Medicine