1. Fundação Pró‐Sangue Hemocentro de São Paulo São Paulo Brazil
2. Laboratory of Genetics and Molecular Cardiology Heart Institute, University of São Paulo São Paulo Brazil
3. Department of Hematology Churchill Hospital, NHS BT, Oxford University Oxford UK
4. Discipline of Hematology University of São Paulo School of Medicine São Paulo Brazil
5. Institute of Tropical Medicine Faculdade de Medicina da Universidade de São Paulo São Paulo Brazil