1 Haematology Department BMT Unit, G. Papanicolaou Hospital, Thessaloniki, Greece elenicelli@yahoo.gr.
2 Adults Thalassaemia Unit, 2 Department of Internal Medicine, Aristotle University of Thessaloniki, Hippokration General Hospital of Thessaloniki, Greece.
3 Haematology Department BMT Unit, G. Papanicolaou Hospital, Thessaloniki, Greece.