1. Division of Hematopathology, Department of Pathology and Laboratory Medicine, University of Miami/Sylvester Comprehensive Cancer Center, Miami, FL;
2. Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston; and
3. Departmento de Investigacion, Patologia y Laboratorio Clinico, Instituto Nacional de Enfermedades Neoplasicas, Lima, Peru.