[1] Menoufia Univ, Natl Liver Inst, Dept Hepatol & Gastroenterol, Menoufia, Egypt
[2] Al Azhar Univ, Dept Internal Med, Fac Med, Cairo, Egypt
[3] Al Azhar Univ, Dept Clin Pathol, Cairo, Egypt
[4] Menoufia Univ, Dept Trop Med, Fac Med, Menoufia, Egypt
[5] Alexandria Univ, Dept Trop Med, Fac Med, Alexandria, Egypt
[6] Helwan Univ, Dept Internal Med, Fac Med, Cairo, Egypt
[7] Helwan Univ, Dept Endem Med, Fac Med, Cairo, Egypt
[8] Helwan Univ, Dept Clin & Chem Pathol, Fac Med, Cairo, Egypt
[9] Menoufia Univ, Natl Liver Inst, Dept Epidemiol & Prevent Med, Menoufia, Egypt