[1] Univ Tehran Med Sci, Immunol Asthma & Allergy Res Inst, Tehran, Iran
[2] Shahid Beheshti Univ Med Sci, Natl Res Inst TB & Lung Dis, Tobacco Prevent & Control Res Ctr, Tehran, Iran
[3] Univ Tehran Med Sci, Arash Hosp, Dept Obstet, Tehran, Iran
[4] Univ Tehran Med Sci, Imam Khomeini Hosp, Dept Endocrinol, Tehran, Iran
[5] Shahid Beheshti Univ Med Sci, Shohada Hosp, Dept Internal Med, Tehran, Iran