1. Department of Oncology, State University of Health Sciences of Alagoas, Maceió, Alagoas, Brazil
2. Hematology Service, Gaffrée and Guinle Hospital, Federal University of the State of Rio de Janeiro, Rio de Janeiro, Brazil
3. University Center CESMAC, Alagoas, Brazil
4. Internal Medicine, Santa Casa de Misericórdia de Maceió, Maceió , Brazil
5. Oncology Service, Santa Casa de Misericórdia de Maceió, Alagoas, Brazil
6. Federal University of Alagoas, Alagoas, Brazil
7. University Center Maurício de Nassau, Alagoas, Brazil