1 Egyptian Liver Research Institute and Hospital (ELRIAH), Sherbin, El Mansoura, Egypt; Hepatology and Gastroenterology Unit, Internal Medicine Department, Faculty of Medicine, Mansoura University, Egypt. Electronic address: g_shiha@hotmail.com.
2 Egyptian Liver Research Institute and Hospital (ELRIAH), Sherbin, El Mansoura, Egypt; Tropical Medicine Department, Faculty of Medicine, Port Said University, Egypt.
3 Egyptian Liver Research Institute and Hospital (ELRIAH), Sherbin, El Mansoura, Egypt; Biostatistics and Cancer Epidemiology Department, South Egypt Cancer Institute, Assiut University, Egypt.
4 Hepato-gastroenterology and Infectious Diseases Department, Al-Azhar University, Cairo, Egypt.