1. Hematology and Oncology Unit, University Hospital Universidade Federal de Minas Gerais Belo Horizonte Minas Gerais Brazil
2. Hematology HEMOMINAS Foundation Belo Horizonte Minas Gerais Brazil
3. Haemostasis and Thrombosis Study Group, Faculty of Medicine Universidade Federal de Minas Gerais Belo Horizonte Minas Gerais Brazil
4. Vascular Surgery University Hospital, Universidade Federal de Minas Gerais Belo Horizonte Minas Gerais Brazil
5. Department of Surgery, Faculty of Medicine Universidade Federal de Minas Gerais Belo Horizonte Minas Gerais Brazil
6. Department of Internal Medicine, Faculty of Medicine Universidade Federal de Minas Gerais Belo Horizonte Minas Gerais Brazil