Author
American College of Gastroenterology
2
Hindawi Publishing Corporation
2
American Association for the Study of Liver Diseases
1
Canadian Association for the Study of the Liver
1
Canadian Association of Gastroenterology
1
Gastroenterology Research Group
1
National Gastroenterological Association (U.S.)
1
Nihon Shōkakibyō Gakkai
1
Perhimpunan Endoskopi Gastrointestinal Indonesia
1
Perhimpunan Peneliti Hati Indonesia
1
Perkumpulan Gastroenterologi Indonesia
1
Royal Society of Medicine (Great Britain)
1
Saudi Gastroenterology Association
1