Anna Porwit MD, Ph.D. is Professor at the Department of Clinical Sciences, Division Oncology and Pathology, Lunds Universitet, Sweden. She is a co-author of approximately 200 original and review papers, and some chapters in the WHO2008 and 2016 classification of hematopoietic malignancies. Marie Christine Béné, PharmSciD-Ph.D., has been a professor of Immunology at the Faculty of Medicine of Nancy, France, between 1993 and 2012 and is now Professor of Hematology and the head of the Hematology Biology Department in the Université de Nantes, France. She has been co-author with Anna Porwit of several publications as well as chapters of the WHO2008 and 2016 classification of hematopoietic malignancies.