[1] Natl & Kapodistrian Univ Athens, Thalassemia Unit, Dept Pediat 1, Aghia Sophia Childrens Hosp, Athens, Greece
[2] Natl & Kapodistrian Univ Athens, Pediat Hematol Oncol Unit, Dept Pediat 1, Aghia Sophia Childrens Hosp, Athens, Greece
[3] Aghia Sophia Childrens Hosp, Dept Clin Biochem, Athens, Greece