Assiut Liver Center for Management of Viral Hepatitis, Ministry of Health, Tropical Medicine and Gastroenterologydepartment, Valley University, Hepatology, Gastroenterology and Infectious Diseases Department: Al-Azhar University, Tropical Medicine and Gastroenterology Department, Assiut University, Tropical Medicine and Gastroenterology Department, Assiut University, Tropical Medicine and Gastroenterology Department, Sohag University Hospital, Tropical Medicine and Gastroenterology Department, KafrEl-Sheikh University, Tropical Medicine Department, Alexandria University, Tropical Medicine and Gastroenterology Department, Assiut University, Tropical Medicine and Gastroenterology Department, Assiut University, Al-Azhar University, Damietta - Department of Hepatogastroenterology and Infectious Diseases, Assiut Liver Center for Management of Viral Hepatitis, Ministry of Health, Infectious Disease Control Department Preventive Medicine Assiut Healthaffairsdirectorat, Tropical Medicine and Gastroenterology Department, Aswan University, Gastroenterology Department, National Hepatology and Tropical Medicine Research Institute, Tropical Medicine Department, Alexandria University, Tropical Medicine and Gastroenterology Department, Assiut University, Internal Medicine, Hepatogasteroenterology Unit, Assiut University, Tropical Medicine Department, Port Said University and Al-Azhar University, Cairo - Department of Internal Medicine

Heidelberg University - Salem Medical Center, Semmelweis University - Gastroenterology Division, Hospital of the Ministry of Interior and Administration - Department of Internal Medicine, Cardiology, Gastroenterology and Endocrinology, Fortis Hospitals - Institute of Gastro and Liver Diseases, Ahvaz Jundishapur University of Medical Sciences - Alimentary Tract Research Center, University Hospitals Leuven - Department of Gastroenterology and Hepatology, Colentina Clinical Hospital - Gastroenterology Division, University of Leipzig MedicalCenter - Medical Department II, Hospital da Senhora da Oliveira - Department of Gastroenterology, Ospedale dei Castelli, Universidad San Ignacio de Loyola - Unidad de Revisiones Sistemáticas y Meta-análisis (URSIGET), University Medicine Greifswald - Department of Medicine A, University Hospital Center Zagreb - Endoscopy Unit, National University of Malaysia (UKM) - Gastroenterology and Hepatology Unit, Seoul National University - Liver Research Institute, Hanoi Medical University - Internal Medicine Faculty, Hashemite University - Faculty of Medicine, Kaiser Permanente of Orange County - Department of Gastroenterology, Fudan University - Endoscopy Center and Endoscopy Research Institute and Al-Azhar University, Cairo - Department of Internal Medicine