1. Multiprofessional Residency Program in Oncology and Hematology, Clinic Hospital Complex Federal University of Parana Curitiba Brazil
2. Post‐Graduate Program in Dentistry, Department of Stomatology Federal University of Parana Curitiba Brazil
3. Health Department Nove de Julho University São Paulo Brazil
4. Service of Bone Marrow Transplant, Clinic Hospital Complex Federal University of Parana Curitiba Brazil