[1] Shahed Univ, Fac Med, Dept Microbiol, Tehran, Iran
[2] Shahrekord Univ Med Sci, Sch Med, Dept Microbiol & Immunol, Shahrekord, Iran
[3] Islamic Azad Univ, Fac Adv Sci & Technol, Dept Microbiol, Tehran Med Sci, Tehran, Iran
[4] Univ Tehran Med Sci, Sch Med, Dept Microbiol, Tehran, Iran