1. Department of Paediatric Haematology/Oncology; Ege University Children's Hospital; Ege University School of Medicine; Izmir Turkey
2. First Department of Paediatrics; University of Athens School of Medicine; ‘Agia Sofia’ Children's Hospital; Athens Greece
3. Haematology/Oncology Division; Department of Paediatrics & Thalassaemia Centre; Faculty of Medicine Siriraj Hospital; Mahidol University; Bangkok Thailand