leila kasraian associate professor, community medicine specialist, blood transfusion research center, high institute for research and education in transfusion medicine, shiraz, ir iran; no 164 lane 37 besat boulevard, 7174715357 shiraz, ir iran. tel: +98-9177157413, fax: +98-7116264006 neda negarestani assistant professor, psychiatrist, manager of consultation center, iranian blood transfusion research center, shiraz, ir iran mohammad hossein karimi phd of immunology, director, president, iranian blood transfusion research center, shiraz blood transfusion organization, shiraz, ir iran sahar dehbidi master of cellular and molecular science, shiraz, ir iran

hasan boustani department of hematology, faculty of allied medical sciences, ilam university of medical sciences, ilam, iran enayat anvari student’s research committee, ilam university of medical sciences, ilam, iran sedighe saiadi sartang student’s research committee, ilam university of medical sciences, ilam, iran mehdi omidi department of mathemetics, ilam university, ilam, iran esmaeil rostami department of hematology, faculty of allied medical sciences, sabzevar university of medical sciences, sabzevar, iran zahra mohamadi student’s research committee, ilam university of medical sciences, ilam, iran

samaneh abbasi health research institute, infectious and tropical disease research center, ahvaz jundishapur university of medical sciences, ahvaz, ir iran; department of virology, ahvaz jundishapur university of medical sciences, ahvaz, ir iran manoochehr makvandi health research institute, infectious and tropical disease research center, ahvaz jundishapur university of medical sciences, ahvaz, ir iran; department of virology, ahvaz jundishapur university of medical sciences, ahvaz, ir iran; health research institute, infectious and tropical disease research center, ahvaz jundishapur university of medical sciences, ahvaz, ir iran. tel: +98-6133354389, fax: +98-6133361544 gharib karimi iranian blood transfusion organization (ibto), tehran, ir iran niloofar neisi department of virology, ahvaz jundishapur university of medical sciences, ahvaz, ir iran

Akram Karimi-Shahanjarini, Jalal Poorolajal, Majid Barati, Majid Hamidi, Saeed Bashirian, Sahar Khoshravesh, Sanaz Khalili,