1. Department of Medicine, Section of Internal MedicineUniversity of VeronaVeronaItaly
2. Hematology/Oncology DivisionUniversity of Cincinnati College of MedicineCincinnatiOhioUSA
3. Comprehensive Sickle Cell CenterChildren's HospitalCincinnatiOhioUSA
4. Department of Life and Reproduction Sciences, Section of BiochemistryUniversity of VeronaVeronaItaly
5. Department of Laboratory MedicineChildren's Hospital, Harvard Medical SchoolBostonMassachusettsUSA
6. Department of PathologyChildren's Hospital, Harvard Medical SchoolBostonMassachusettsUSA
7. Department of Molecular Physiology and PharmacologySackler School of Graduate Biomedical Sciences, Tufts University School of MedicineBostonMassachusettsUSA