[1] Islamic Azad Univ, Fac Med Sci, Dept Parasitol & Mycol, Tonekabon Branch, Tonekabon, Iran
[2] Pasteur Inst Iran, Dept Parasitol, Tehran, Iran
[3] Mazandaran Univ Med Sci, Toxoplasmosis Res Ctr, Communicable Dis Inst, Sari, Iran
[4] Mazandaran Univ Med Sci, Student Res Comm, Sari, Iran
[5] Qazvin Univ Med Sci, Dent Caries Prevent Res Ctr, Qazvin, Iran
[6] Qazvin Univ Med Sci, Dept Social Med, Qazvin, Iran
[7] Qazvin Univ Med Sci, Booalisina Hosp, Clin Res Dev Unit, Qazvin, Iran
[8] Qazvin Univ Med Sci, Children Growth Res Ctr, Res Inst Prevent Noncommunicable Dis, Qazvin, Iran