1. Hematology Department General Hospital “George Papanikolaou” Thessaloniki Greece
2. Adult Thalassaemia Unit, 2nd Department of Internal Medicine, Aristotle University of Thessaloniki Hippokration General Hospital of Thessaloniki Thessaloniki Greece
3. Adult Thalassaemia Unit AHEPA University Hospital Thessaloniki Greece
4. Department of Microbiology, School of Medicine, Faculty of Health Sciences Aristotle University of Thessaloniki Thessaloniki Greece
5. Department of Hematology, Thalassemia and Sickle Cell Disease Unit General Hospital of Larissa Larissa Thessaly Greece
6. Nephrology Department General Hospital of Trikala Trikala Greece
7. 2nd Propaedeutic Department of Internal Medicine, Aristotle University of Thessaloniki Hippokration General Hospital of Thessaloniki Thessaloniki Greece
8. 1st Propaedeutic Department of Internal Medicine, Aristotle University of Thessaloniki AHEPA University Hospital Thessaloniki Greece
9. Department of Hematology University Hospital of Thessalia Larissa Greece
10. First Department of Internal Medicine, University Hospital of Alexandroupolis Democritus University of Thrace Alexandroupolis Greece