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

Egyptian Liver Research Institute and Hospital (ELRIAH), Egyptian Liver Research Institute and Hospital (ELRIAH), Egyptian Liver Research Institute and Hospital (ELRIAH), King Saud University - Liver Disease Research Center, King Saud University - Liver Disease Research Center, King Abdulaziz Medical City - Gastroenterology Unit, Hamad Hospital - Gastroenterology and Hepatology Department, Ankara University - Department of Gastroenterology, Larissa University General Hospital - Department of Internal Medicine, Sultan Qaboos University - Division of Gastroenterology and Hepatoology, Al-Bashir Hospital - Internal Medicine Department, American University of Beirut Medical Center - Division of Gastroenterology, Menoufia University - Hepatology Department, Al-Azhar University, Cairo - Department of Hepatogastroenterology and Infectious Diseases, Al-Azhar University, Damietta - Department of Hepatogastroenterology and Infectious Diseases, Misr University for Science and Technology - Biomedical Engineering Department, Arab Academy for Science and Technology (AASTMT) - Basic and Applied Science Department and Kitasato University - Department of Gastroenterology