[1] Univ Hlth Sci, Ankara Child Hlth & Dis Hematol Oncol Training &, Div Pediat Allergy & Immunol, Ankara, Turkey
[2] Rzurum Training & Res Hosp, Dept Pediat Allergy & Immunol, Erzurum, Turkey
[3] Tokat Publ Hosp, Dept Pediat Allergy & Immunol, Tokat, Turkey
[4] Balikesir Univ, Div Pediat Allergy & Immunol, Dept Childrens Hlth & Dis, Fac Med, Balikesir, Turkey
[5] Adana City Hosp, Dept Pediat Allergy & Immunol, Adana, Turkey
[6] Mugla Sitki Kocman Univ, Div Pediat Allergy & Immunol, Dept Childrens Hlth & Dis, Fac Med, Mugla, Turkey