[1] Acad Athens, Biomed Res Fdn, Athens, Greece
[2] Natl Ctr Sci Res Demokritos, Lab Cytogenet, Athens, Greece
[3] Dist Gen G Gennimatas Hosp, Dept Clin Hematol, Athens, Greece
[4] Natl Tech Univ Athens, Sch Med, Dept Pathophysiol, Athens, Greece
[5] Amalia Fleming Gen Hosp, Dept Hematol, Athens, Greece
[6] 254 Gen AF Hosp, Dept Hematol & Med Res, Athens, Greece
[7] Chalkis Gen Hosp, Dept Hematol, Chalkis, Greece
[8] Sotiria Hosp, Dept Internal Med 3, Athens, Greece
[9] Achilopoulion Hosp, Thalassemia Unit, Volos, Greece