1. Department of Oncology and Radiotherapy; Hospital Nacional Edgardo Rebagliati Martins; Lima Peru
2. Department of Pathology; Hospital Nacional Edgardo Rebagliati Martins; Lima Peru
3. Department of Hematology; Hospital Alberto Seguin; Arequipa Peru
4. Division of Hematology and Oncology; Moffitt Cancer Center; Tampa, FL USA
5. Division of Hematology/Oncology; George Washington University Cancer Center; Washington DC USA
6. Division of Hematologic Malignancies, Dana-Farber Cancer Institute; Harvard Medical School; Boston MA USA