[1] Menoufia Univ, Fac Med, Dept Pediat, Shibin Al Kawm, Egypt
[2] Menoufia Univ, Fac Med, Dept Publ Hlth & Community Med, Shibin Al Kawm, Egypt
[3] Menoufia Univ, Natl Liver Inst, Dept Clin & Mol Microbiol & Immunol, Shibin Al Kawm, Egypt
[4] Menoufia Univ, Natl Liver Inst, Dept Clin Pathol, Shibin Al Kawm, Egypt