[1] Prince of Songkla University,Department of Internal Medicine, NKC Institute of Gastroenterology and Hepatology, Songklanagarind Hospital
[2] Queen Mary Hospital,Department of Medicine
[3] Tri-Service General Hospital,Division of Gastroenterology and Hepatology
[4] Beijing You-An Hospital,Digestive Department
[5] Pramongkutklao Hospital,Section of Digestive and Liver Disease
[6] Huashan Hospital,Infectious Diseases Department
[7] Sirirai Hospital,Department of Medicine
[8] Roche Product Pty Limited,Pharmaceuticals Division
[9] Roche,undefined