1. Department of Medicine; Stanford University Medical Center; Palo Alto CA
2. Division of Gastroenterology and Hepatology; Fu Jen Catholic University Hospital; New Taipei Taiwan
3. School of Medicine; Fu Jen Catholic University; New Taipei Taiwan
4. Division of Gastroenterology and Hepatology; E-Da Hospital; Kaohsiung Taiwan
5. Graduate Institute of Clinical Medical Science; China Medical University; Taichung Taiwan
6. Department of Virology and Liver Unit; Nagoya City University Graduate School of Medical Sciences; Nagoya Japan
7. Institute of Statistical Science; Academia Sinica; Taipei Taiwan
8. Hepatobiliary Division, Department of Internal Medicine; Kaohsiung Medical University Hospital, Kaohsiung Medical University; Kaohsiung Taiwan
9. Division of Gastroenterology and Hepatology; Stanford University Medical Center; Palo Alto CA