Tropical Medicine Department;
El-Kasr Al-Aini School of Medicine;
Kasr Al-Aini st.;
Kasr AlAini;
11977 Cairo;
Egypt;
Virology and Immunology Unit;
Cancer Biology Department;
National Cancer Institute;
Cairo University;
Kasr Al-Aini st.;
Fom El-Khaleeg;
11976 Cairo;
Egypt;
Pathology Department;
National Cancer Institute;
Cairo University;
Kasr Al-Aini st.;
Fom El-Khaleg;
11976 Cairo;
Egypt;
Biostatistics and Epidemiology Department;
National Cancer Institute;
Cairo University;
11976 Cairo;
Egypt;