1. Institute of Epidemiology and Preventive Medicine, College of Public Health National Taiwan University Taipei Taiwan
2. Department of Gastroenterology Ren‐Ai Branch, Taipei City Hospital Taipei Taiwan
3. Division of Gastroenterology and Hepatology, Department of Internal Medicine, National Taiwan University Hospital and Graduate Institute of Clinical Medicine National Taiwan University College of Medicine Taipei Taiwan
4. Graduate Institute of Clinical Medicine, College of Medicine Taipei Medical University Taipei Taiwan
5. Liver Center, Cathay General Hospital Medical Center, School of Medicine Fu‐Jen Catholic University College of Medicine Taipei Taiwan