1. Division of Gastroenterology and Hepatology Department of Internal Medicine National Taiwan University Hospital Taipei Taiwan
2. Hepatitis Research CenterNational Taiwan University Hospital Taipei Taiwan
3. Division of Gastroenterology and Hepatology Department of Internal Medicine National Taiwan University Hospital Yun‐Lin Branch Yunlin Taiwan
4. Graduate Institute of Clinical MedicineNational Taiwan University College of Medicine Taipei Taiwan
5. Department of Medical Research National Taiwan University Hospital Taipei Taiwan